156408520

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{47111}}^1$

素因数の和:47205

約数の個数: 32

約数和(自身を含む): 356166720

約数和(自身を除く): 199758200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 47111, 94222, 188444, 235555, 376888, 471110, 942220, 1884440, 3910213, 7820426, 15640852, 19551065, 31281704, 39102130, 78204260, 156408520]

約数ペア:

[(1, 156408520), (2, 78204260), (4, 39102130), (5, 31281704), (8, 19551065), (10, 15640852), (20, 7820426), (40, 3910213), (83, 1884440), (166, 942220), (332, 471110), (415, 376888), (664, 235555), (830, 188444), (1660, 94222), (3320, 47111)]