39960016

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{108587}}^1$

素因数の和:108618

約数の個数: 20

約数和(自身を含む): 80789472

約数和(自身を除く): 40829456

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 108587, 217174, 434348, 868696, 1737392, 2497501, 4995002, 9990004, 19980008, 39960016]

約数ペア:

[(1, 39960016), (2, 19980008), (4, 9990004), (8, 4995002), (16, 2497501), (23, 1737392), (46, 868696), (92, 434348), (184, 217174), (368, 108587)]