56557871990

素因数分解:

$2^1\times 5^1\times {\mathrm{6521}}^1\times {\mathrm{867319}}^1$

素因数の和:873847

約数の個数: 16

約数和(自身を含む): 101819898720

約数和(自身を除く): 45262026730

約数列:

[1, 2, 5, 10, 6521, 13042, 32605, 65210, 867319, 1734638, 4336595, 8673190, 5655787199, 11311574398, 28278935995, 56557871990]

約数ペア:

[(1, 56557871990), (2, 28278935995), (5, 11311574398), (10, 5655787199), (6521, 8673190), (13042, 4336595), (32605, 1734638), (65210, 867319)]