2016400000

素因数分解:

$2^7\times 5^5\times {\mathrm{71}}^2$

素因数の和:181

約数の個数: 144

約数和(自身を含む): 5092701390

約数和(自身を除く): 3076301390

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 71, 80, 100, 125, 128, 142, 160, 200, 250, 284, 320, 355, 400, 500, 568, 625, 640, 710, 800, 1000, 1136, 1250, 1420, 1600, 1775, 2000, 2272, 2500, 2840, 3125, 3200, 3550, 4000, 4544, 5000, 5041, 5680, 6250, 7100, 8000, 8875, 9088, 10000, 10082, 11360, 12500, 14200, 16000, 17750, 20000, 20164, 22720, 25000, 25205, 28400, 35500, 40000, 40328, 44375, 45440, 50000, 50410, 56800, 71000, 80000, 80656, 88750, 100000, 100820, 113600, 126025, 142000, 161312, 177500, 200000, 201640, 221875, 227200, 252050, 284000, 322624, 355000, 400000, 403280, 443750, 504100, 568000, 630125, 645248, 710000, 806560, 887500, 1008200, 1136000, 1260250, 1420000, 1613120, 1775000, 2016400, 2520500, 2840000, 3150625, 3226240, 3550000, 4032800, 5041000, 5680000, 6301250, 7100000, 8065600, 10082000, 12602500, 14200000, 15753125, 16131200, 20164000, 25205000, 28400000, 31506250, 40328000, 50410000, 63012500, 80656000, 100820000, 126025000, 201640000, 252050000, 403280000, 504100000, 1008200000, 2016400000]

約数ペア:

[(1, 2016400000), (2, 1008200000), (4, 504100000), (5, 403280000), (8, 252050000), (10, 201640000), (16, 126025000), (20, 100820000), (25, 80656000), (32, 63012500), (40, 50410000), (50, 40328000), (64, 31506250), (71, 28400000), (80, 25205000), (100, 20164000), (125, 16131200), (128, 15753125), (142, 14200000), (160, 12602500), (200, 10082000), (250, 8065600), (284, 7100000), (320, 6301250), (355, 5680000), (400, 5041000), (500, 4032800), (568, 3550000), (625, 3226240), (640, 3150625), (710, 2840000), (800, 2520500), (1000, 2016400), (1136, 1775000), (1250, 1613120), (1420, 1420000), (1600, 1260250), (1775, 1136000), (2000, 1008200), (2272, 887500), (2500, 806560), (2840, 710000), (3125, 645248), (3200, 630125), (3550, 568000), (4000, 504100), (4544, 443750), (5000, 403280), (5041, 400000), (5680, 355000), (6250, 322624), (7100, 284000), (8000, 252050), (8875, 227200), (9088, 221875), (10000, 201640), (10082, 200000), (11360, 177500), (12500, 161312), (14200, 142000), (16000, 126025), (17750, 113600), (20000, 100820), (20164, 100000), (22720, 88750), (25000, 80656), (25205, 80000), (28400, 71000), (35500, 56800), (40000, 50410), (40328, 50000), (44375, 45440)]