40326778

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{8101}}^1$

素因数の和:8253

約数の個数: 16

約数和(自身を含む): 64167840

約数和(自身を除く): 23841062

約数列:

[1, 2, 19, 38, 131, 262, 2489, 4978, 8101, 16202, 153919, 307838, 1061231, 2122462, 20163389, 40326778]

約数ペア:

[(1, 40326778), (2, 20163389), (19, 2122462), (38, 1061231), (131, 307838), (262, 153919), (2489, 16202), (4978, 8101)]