68961020

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{26321}}^1$

素因数の和:26461

約数の個数: 24

約数和(自身を含む): 145929168

約数和(自身を除く): 76968148

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 26321, 52642, 105284, 131605, 263210, 526420, 3448051, 6896102, 13792204, 17240255, 34480510, 68961020]

約数ペア:

[(1, 68961020), (2, 34480510), (4, 17240255), (5, 13792204), (10, 6896102), (20, 3448051), (131, 526420), (262, 263210), (524, 131605), (655, 105284), (1310, 52642), (2620, 26321)]