20040000

素因数分解:

$2^6\times 3^1\times 5^4\times {\mathrm{167}}^1$

素因数の和:202

約数の個数: 140

約数和(自身を含む): 66653664

約数和(自身を除く): 46613664

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 125, 150, 160, 167, 192, 200, 240, 250, 300, 320, 334, 375, 400, 480, 500, 501, 600, 625, 668, 750, 800, 835, 960, 1000, 1002, 1200, 1250, 1336, 1500, 1600, 1670, 1875, 2000, 2004, 2400, 2500, 2505, 2672, 3000, 3340, 3750, 4000, 4008, 4175, 4800, 5000, 5010, 5344, 6000, 6680, 7500, 8000, 8016, 8350, 10000, 10020, 10688, 12000, 12525, 13360, 15000, 16032, 16700, 20000, 20040, 20875, 24000, 25050, 26720, 30000, 32064, 33400, 40000, 40080, 41750, 50100, 53440, 60000, 62625, 66800, 80160, 83500, 100200, 104375, 120000, 125250, 133600, 160320, 167000, 200400, 208750, 250500, 267200, 313125, 334000, 400800, 417500, 501000, 626250, 668000, 801600, 835000, 1002000, 1252500, 1336000, 1670000, 2004000, 2505000, 3340000, 4008000, 5010000, 6680000, 10020000, 20040000]

約数ペア:

[(1, 20040000), (2, 10020000), (3, 6680000), (4, 5010000), (5, 4008000), (6, 3340000), (8, 2505000), (10, 2004000), (12, 1670000), (15, 1336000), (16, 1252500), (20, 1002000), (24, 835000), (25, 801600), (30, 668000), (32, 626250), (40, 501000), (48, 417500), (50, 400800), (60, 334000), (64, 313125), (75, 267200), (80, 250500), (96, 208750), (100, 200400), (120, 167000), (125, 160320), (150, 133600), (160, 125250), (167, 120000), (192, 104375), (200, 100200), (240, 83500), (250, 80160), (300, 66800), (320, 62625), (334, 60000), (375, 53440), (400, 50100), (480, 41750), (500, 40080), (501, 40000), (600, 33400), (625, 32064), (668, 30000), (750, 26720), (800, 25050), (835, 24000), (960, 20875), (1000, 20040), (1002, 20000), (1200, 16700), (1250, 16032), (1336, 15000), (1500, 13360), (1600, 12525), (1670, 12000), (1875, 10688), (2000, 10020), (2004, 10000), (2400, 8350), (2500, 8016), (2505, 8000), (2672, 7500), (3000, 6680), (3340, 6000), (3750, 5344), (4000, 5010), (4008, 5000), (4175, 4800)]