18001243160

素因数分解:

$2^3\times 5^1\times {\mathrm{450031079}}^1$

素因数の和:450031090

約数の個数: 16

約数和(自身を含む): 40502797200

約数和(自身を除く): 22501554040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 450031079, 900062158, 1800124316, 2250155395, 3600248632, 4500310790, 9000621580, 18001243160]

約数ペア:

[(1, 18001243160), (2, 9000621580), (4, 4500310790), (5, 3600248632), (8, 2250155395), (10, 1800124316), (20, 900062158), (40, 450031079)]