65104000

素因数分解:

$2^7\times 5^3\times {\mathrm{13}}^1\times {\mathrm{313}}^1$

素因数の和:355

約数の個数: 128

約数和(自身を含む): 174872880

約数和(自身を除く): 109768880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 125, 128, 130, 160, 200, 208, 250, 260, 313, 320, 325, 400, 416, 500, 520, 626, 640, 650, 800, 832, 1000, 1040, 1252, 1300, 1565, 1600, 1625, 1664, 2000, 2080, 2504, 2600, 3130, 3200, 3250, 4000, 4069, 4160, 5008, 5200, 6260, 6500, 7825, 8000, 8138, 8320, 10016, 10400, 12520, 13000, 15650, 16000, 16276, 20032, 20345, 20800, 25040, 26000, 31300, 32552, 39125, 40064, 40690, 41600, 50080, 52000, 62600, 65104, 78250, 81380, 100160, 101725, 104000, 125200, 130208, 156500, 162760, 200320, 203450, 208000, 250400, 260416, 313000, 325520, 406900, 500800, 508625, 520832, 626000, 651040, 813800, 1001600, 1017250, 1252000, 1302080, 1627600, 2034500, 2504000, 2604160, 3255200, 4069000, 5008000, 6510400, 8138000, 13020800, 16276000, 32552000, 65104000]

約数ペア:

[(1, 65104000), (2, 32552000), (4, 16276000), (5, 13020800), (8, 8138000), (10, 6510400), (13, 5008000), (16, 4069000), (20, 3255200), (25, 2604160), (26, 2504000), (32, 2034500), (40, 1627600), (50, 1302080), (52, 1252000), (64, 1017250), (65, 1001600), (80, 813800), (100, 651040), (104, 626000), (125, 520832), (128, 508625), (130, 500800), (160, 406900), (200, 325520), (208, 313000), (250, 260416), (260, 250400), (313, 208000), (320, 203450), (325, 200320), (400, 162760), (416, 156500), (500, 130208), (520, 125200), (626, 104000), (640, 101725), (650, 100160), (800, 81380), (832, 78250), (1000, 65104), (1040, 62600), (1252, 52000), (1300, 50080), (1565, 41600), (1600, 40690), (1625, 40064), (1664, 39125), (2000, 32552), (2080, 31300), (2504, 26000), (2600, 25040), (3130, 20800), (3200, 20345), (3250, 20032), (4000, 16276), (4069, 16000), (4160, 15650), (5008, 13000), (5200, 12520), (6260, 10400), (6500, 10016), (7825, 8320), (8000, 8138)]