39999664

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{67567}}^1$

素因数の和:67612

約数の個数: 20

約数和(自身を含む): 79595104

約数和(自身を除く): 39595440

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 67567, 135134, 270268, 540536, 1081072, 2499979, 4999958, 9999916, 19999832, 39999664]

約数ペア:

[(1, 39999664), (2, 19999832), (4, 9999916), (8, 4999958), (16, 2499979), (37, 1081072), (74, 540536), (148, 270268), (296, 135134), (592, 67567)]