40642648

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{17579}}^1$

素因数の和:17619

約数の個数: 24

約数和(自身を含む): 80955900

約数和(自身を除く): 40313252

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 1156, 2312, 17579, 35158, 70316, 140632, 298843, 597686, 1195372, 2390744, 5080331, 10160662, 20321324, 40642648]

約数ペア:

[(1, 40642648), (2, 20321324), (4, 10160662), (8, 5080331), (17, 2390744), (34, 1195372), (68, 597686), (136, 298843), (289, 140632), (578, 70316), (1156, 35158), (2312, 17579)]