25440594920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2574959}}^1$

素因数の和:2575002

約数の個数: 64

約数和(自身を含む): 64888992000

約数和(自身を除く): 39448397080

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 2574959, 5149918, 10299836, 12874795, 20599672, 25749590, 33474467, 48924221, 51499180, 66948934, 97848442, 102998360, 133897868, 167372335, 195696884, 244621105, 267795736, 334744670, 391393768, 489242210, 636014873, 669489340, 978484420, 1272029746, 1338978680, 1956968840, 2544059492, 3180074365, 5088118984, 6360148730, 12720297460, 25440594920]

約数ペア:

[(1, 25440594920), (2, 12720297460), (4, 6360148730), (5, 5088118984), (8, 3180074365), (10, 2544059492), (13, 1956968840), (19, 1338978680), (20, 1272029746), (26, 978484420), (38, 669489340), (40, 636014873), (52, 489242210), (65, 391393768), (76, 334744670), (95, 267795736), (104, 244621105), (130, 195696884), (152, 167372335), (190, 133897868), (247, 102998360), (260, 97848442), (380, 66948934), (494, 51499180), (520, 48924221), (760, 33474467), (988, 25749590), (1235, 20599672), (1976, 12874795), (2470, 10299836), (4940, 5149918), (9880, 2574959)]