71121620

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{14879}}^1$

素因数の和:15127

約数の個数: 24

約数和(自身を含む): 149990400

約数和(自身を除く): 78868780

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 14879, 29758, 59516, 74395, 148790, 297580, 3556081, 7112162, 14224324, 17780405, 35560810, 71121620]

約数ペア:

[(1, 71121620), (2, 35560810), (4, 17780405), (5, 14224324), (10, 7112162), (20, 3556081), (239, 297580), (478, 148790), (956, 74395), (1195, 59516), (2390, 29758), (4780, 14879)]