40980916

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{144299}}^1$

素因数の和:144374

約数の個数: 12

約数和(自身を含む): 72727200

約数和(自身を除く): 31746284

約数列:

[1, 2, 4, 71, 142, 284, 144299, 288598, 577196, 10245229, 20490458, 40980916]

約数ペア:

[(1, 40980916), (2, 20490458), (4, 10245229), (71, 577196), (142, 288598), (284, 144299)]