20074986250

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{18481}}^1$

素因数の和:18593

約数の個数: 80

約数和(自身を含む): 41571192960

約数和(自身を除く): 21496206710

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 79, 110, 125, 158, 250, 275, 395, 550, 625, 790, 869, 1250, 1375, 1738, 1975, 2750, 3950, 4345, 6875, 8690, 9875, 13750, 18481, 19750, 21725, 36962, 43450, 49375, 92405, 98750, 108625, 184810, 203291, 217250, 406582, 462025, 543125, 924050, 1016455, 1086250, 1459999, 2032910, 2310125, 2919998, 4620250, 5082275, 7299995, 10164550, 11550625, 14599990, 16059989, 23101250, 25411375, 32119978, 36499975, 50822750, 72999950, 80299945, 127056875, 160599890, 182499875, 254113750, 364999750, 401499725, 802999450, 912499375, 1824998750, 2007498625, 4014997250, 10037493125, 20074986250]

約数ペア:

[(1, 20074986250), (2, 10037493125), (5, 4014997250), (10, 2007498625), (11, 1824998750), (22, 912499375), (25, 802999450), (50, 401499725), (55, 364999750), (79, 254113750), (110, 182499875), (125, 160599890), (158, 127056875), (250, 80299945), (275, 72999950), (395, 50822750), (550, 36499975), (625, 32119978), (790, 25411375), (869, 23101250), (1250, 16059989), (1375, 14599990), (1738, 11550625), (1975, 10164550), (2750, 7299995), (3950, 5082275), (4345, 4620250), (6875, 2919998), (8690, 2310125), (9875, 2032910), (13750, 1459999), (18481, 1086250), (19750, 1016455), (21725, 924050), (36962, 543125), (43450, 462025), (49375, 406582), (92405, 217250), (98750, 203291), (108625, 184810)]