78839240

素因数分解:

$2^3\times 5^1\times {\mathrm{797}}^1\times {\mathrm{2473}}^1$

素因数の和:3281

約数の個数: 32

約数和(自身を含む): 177682680

約数和(自身を除く): 98843440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 797, 1594, 2473, 3188, 3985, 4946, 6376, 7970, 9892, 12365, 15940, 19784, 24730, 31880, 49460, 98920, 1970981, 3941962, 7883924, 9854905, 15767848, 19709810, 39419620, 78839240]

約数ペア:

[(1, 78839240), (2, 39419620), (4, 19709810), (5, 15767848), (8, 9854905), (10, 7883924), (20, 3941962), (40, 1970981), (797, 98920), (1594, 49460), (2473, 31880), (3188, 24730), (3985, 19784), (4946, 15940), (6376, 12365), (7970, 9892)]