40075010

素因数分解:

$2^1\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{3109}}^1$

素因数の和:4405

約数の個数: 16

約数和(自身を含む): 72214200

約数和(自身を除く): 32139190

約数列:

[1, 2, 5, 10, 1289, 2578, 3109, 6218, 6445, 12890, 15545, 31090, 4007501, 8015002, 20037505, 40075010]

約数ペア:

[(1, 40075010), (2, 20037505), (5, 8015002), (10, 4007501), (1289, 31090), (2578, 15545), (3109, 12890), (6218, 6445)]