156799480

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{24049}}^1$

素因数の和:24223

約数の個数: 32

約数和(自身を含む): 354978000

約数和(自身を除く): 198178520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 24049, 48098, 96196, 120245, 192392, 240490, 480980, 961960, 3919987, 7839974, 15679948, 19599935, 31359896, 39199870, 78399740, 156799480]

約数ペア:

[(1, 156799480), (2, 78399740), (4, 39199870), (5, 31359896), (8, 19599935), (10, 15679948), (20, 7839974), (40, 3919987), (163, 961960), (326, 480980), (652, 240490), (815, 192392), (1304, 120245), (1630, 96196), (3260, 48098), (6520, 24049)]