78204260

素因数分解:

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

素因数の和:47203

約数の個数: 24

約数和(自身を含む): 166211136

約数和(自身を除く): 88006876

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 47111, 94222, 188444, 235555, 471110, 942220, 3910213, 7820426, 15640852, 19551065, 39102130, 78204260]

約数ペア:

[(1, 78204260), (2, 39102130), (4, 19551065), (5, 15640852), (10, 7820426), (20, 3910213), (83, 942220), (166, 471110), (332, 235555), (415, 188444), (830, 94222), (1660, 47111)]