40840748

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{21227}}^1$

素因数の和:21281

約数の個数: 24

約数和(自身を含む): 79053072

約数和(自身を除く): 38212324

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924, 21227, 42454, 84908, 275951, 551902, 785399, 1103804, 1570798, 3141596, 10210187, 20420374, 40840748]

約数ペア:

[(1, 40840748), (2, 20420374), (4, 10210187), (13, 3141596), (26, 1570798), (37, 1103804), (52, 785399), (74, 551902), (148, 275951), (481, 84908), (962, 42454), (1924, 21227)]