78307960

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{24781}}^1$

素因数の和:24871

約数の個数: 32

約数和(自身を含む): 178430400

約数和(自身を除く): 100122440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 24781, 49562, 99124, 123905, 198248, 247810, 495620, 991240, 1957699, 3915398, 7830796, 9788495, 15661592, 19576990, 39153980, 78307960]

約数ペア:

[(1, 78307960), (2, 39153980), (4, 19576990), (5, 15661592), (8, 9788495), (10, 7830796), (20, 3915398), (40, 1957699), (79, 991240), (158, 495620), (316, 247810), (395, 198248), (632, 123905), (790, 99124), (1580, 49562), (3160, 24781)]