25080940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{521}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 55248480

約数和(自身を除く): 30167540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 83, 116, 145, 166, 290, 332, 415, 521, 580, 830, 1042, 1660, 2084, 2407, 2605, 4814, 5210, 9628, 10420, 12035, 15109, 24070, 30218, 43243, 48140, 60436, 75545, 86486, 151090, 172972, 216215, 302180, 432430, 864860, 1254047, 2508094, 5016188, 6270235, 12540470, 25080940]

約数ペア:

[(1, 25080940), (2, 12540470), (4, 6270235), (5, 5016188), (10, 2508094), (20, 1254047), (29, 864860), (58, 432430), (83, 302180), (116, 216215), (145, 172972), (166, 151090), (290, 86486), (332, 75545), (415, 60436), (521, 48140), (580, 43243), (830, 30218), (1042, 24070), (1660, 15109), (2084, 12035), (2407, 10420), (2605, 9628), (4814, 5210)]