25886740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{563}}^1$

素因数の和:613

約数の個数: 72

約数和(自身を含む): 63010080

約数和(自身を除く): 37123340

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 121, 190, 209, 220, 242, 380, 418, 484, 563, 605, 836, 1045, 1126, 1210, 2090, 2252, 2299, 2420, 2815, 4180, 4598, 5630, 6193, 9196, 10697, 11260, 11495, 12386, 21394, 22990, 24772, 30965, 42788, 45980, 53485, 61930, 68123, 106970, 117667, 123860, 136246, 213940, 235334, 272492, 340615, 470668, 588335, 681230, 1176670, 1294337, 1362460, 2353340, 2588674, 5177348, 6471685, 12943370, 25886740]

約数ペア:

[(1, 25886740), (2, 12943370), (4, 6471685), (5, 5177348), (10, 2588674), (11, 2353340), (19, 1362460), (20, 1294337), (22, 1176670), (38, 681230), (44, 588335), (55, 470668), (76, 340615), (95, 272492), (110, 235334), (121, 213940), (190, 136246), (209, 123860), (220, 117667), (242, 106970), (380, 68123), (418, 61930), (484, 53485), (563, 45980), (605, 42788), (836, 30965), (1045, 24772), (1126, 22990), (1210, 21394), (2090, 12386), (2252, 11495), (2299, 11260), (2420, 10697), (2815, 9196), (4180, 6193), (4598, 5630)]