25961980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6211}}^1$

素因数の和:6250

約数の個数: 48

約数和(自身を含む): 62616960

約数和(自身を除く): 36654980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 6211, 12422, 24844, 31055, 62110, 68321, 118009, 124220, 136642, 236018, 273284, 341605, 472036, 590045, 683210, 1180090, 1298099, 1366420, 2360180, 2596198, 5192396, 6490495, 12980990, 25961980]

約数ペア:

[(1, 25961980), (2, 12980990), (4, 6490495), (5, 5192396), (10, 2596198), (11, 2360180), (19, 1366420), (20, 1298099), (22, 1180090), (38, 683210), (44, 590045), (55, 472036), (76, 341605), (95, 273284), (110, 236018), (190, 136642), (209, 124220), (220, 118009), (380, 68321), (418, 62110), (836, 31055), (1045, 24844), (2090, 12422), (4180, 6211)]