68257580

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{43201}}^1$

素因数の和:43289

約数の個数: 24

約数和(自身を含む): 145158720

約数和(自身を除く): 76901140

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 43201, 86402, 172804, 216005, 432010, 864020, 3412879, 6825758, 13651516, 17064395, 34128790, 68257580]

約数ペア:

[(1, 68257580), (2, 34128790), (4, 17064395), (5, 13651516), (10, 6825758), (20, 3412879), (79, 864020), (158, 432010), (316, 216005), (395, 172804), (790, 86402), (1580, 43201)]