40389445

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{881}}^1$

素因数の和:1112

約数の個数: 16

約数和(自身を含む): 49723632

約数和(自身を除く): 9334187

約数列:

[1, 5, 53, 173, 265, 865, 881, 4405, 9169, 45845, 46693, 152413, 233465, 762065, 8077889, 40389445]

約数ペア:

[(1, 40389445), (5, 8077889), (53, 762065), (173, 233465), (265, 152413), (865, 46693), (881, 45845), (4405, 9169)]