10920980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{78007}}^1$

素因数の和:78023

約数の個数: 24

約数和(自身を含む): 26210688

約数和(自身を除く): 15289708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 78007, 156014, 312028, 390035, 546049, 780070, 1092098, 1560140, 2184196, 2730245, 5460490, 10920980]

約数ペア:

[(1, 10920980), (2, 5460490), (4, 2730245), (5, 2184196), (7, 1560140), (10, 1092098), (14, 780070), (20, 546049), (28, 390035), (35, 312028), (70, 156014), (140, 78007)]