2420762005

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{127711}}^1$

素因数の和:127956

約数の個数: 16

約数和(自身を含む): 3089608704

約数和(自身を除く): 668846699

約数列:

[1, 5, 17, 85, 223, 1115, 3791, 18955, 127711, 638555, 2171087, 10855435, 28479553, 142397765, 484152401, 2420762005]

約数ペア:

[(1, 2420762005), (5, 484152401), (17, 142397765), (85, 28479553), (223, 10855435), (1115, 2171087), (3791, 638555), (18955, 127711)]