20054387600

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3856613}}^1$

素因数の和:3856644

約数の個数: 60

約数和(自身を含む): 51886884756

約数和(自身を除く): 31832497156

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 3856613, 7713226, 15426452, 19283065, 30852904, 38566130, 50135969, 61705808, 77132260, 96415325, 100271938, 154264520, 192830650, 200543876, 250679845, 308529040, 385661300, 401087752, 501359690, 771322600, 802175504, 1002719380, 1253399225, 1542645200, 2005438760, 2506798450, 4010877520, 5013596900, 10027193800, 20054387600]

約数ペア:

[(1, 20054387600), (2, 10027193800), (4, 5013596900), (5, 4010877520), (8, 2506798450), (10, 2005438760), (13, 1542645200), (16, 1253399225), (20, 1002719380), (25, 802175504), (26, 771322600), (40, 501359690), (50, 401087752), (52, 385661300), (65, 308529040), (80, 250679845), (100, 200543876), (104, 192830650), (130, 154264520), (200, 100271938), (208, 96415325), (260, 77132260), (325, 61705808), (400, 50135969), (520, 38566130), (650, 30852904), (1040, 19283065), (1300, 15426452), (2600, 7713226), (5200, 3856613)]