80636890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{467}}^1\times {\mathrm{557}}^1$

素因数の和:1062

約数の個数: 32

約数和(自身を含む): 150418944

約数和(自身を除く): 69782054

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 467, 557, 934, 1114, 2335, 2785, 4670, 5570, 14477, 17267, 28954, 34534, 72385, 86335, 144770, 172670, 260119, 520238, 1300595, 2601190, 8063689, 16127378, 40318445, 80636890]

約数ペア:

[(1, 80636890), (2, 40318445), (5, 16127378), (10, 8063689), (31, 2601190), (62, 1300595), (155, 520238), (310, 260119), (467, 172670), (557, 144770), (934, 86335), (1114, 72385), (2335, 34534), (2785, 28954), (4670, 17267), (5570, 14477)]