80498050

素因数分解:

$2^1\times 5^2\times {\mathrm{1249}}^1\times {\mathrm{1289}}^1$

素因数の和:2550

約数の個数: 24

約数和(自身を含む): 149962500

約数和(自身を除く): 69464450

約数列:

[1, 2, 5, 10, 25, 50, 1249, 1289, 2498, 2578, 6245, 6445, 12490, 12890, 31225, 32225, 62450, 64450, 1609961, 3219922, 8049805, 16099610, 40249025, 80498050]

約数ペア:

[(1, 80498050), (2, 40249025), (5, 16099610), (10, 8049805), (25, 3219922), (50, 1609961), (1249, 64450), (1289, 62450), (2498, 32225), (2578, 31225), (6245, 12890), (6445, 12490)]