1880453840

素因数分解:

$2^4\times 5^1\times {\mathrm{2503}}^1\times {\mathrm{9391}}^1$

素因数の和:11907

約数の個数: 40

約数和(自身を含む): 4374267648

約数和(自身を除く): 2493813808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2503, 5006, 9391, 10012, 12515, 18782, 20024, 25030, 37564, 40048, 46955, 50060, 75128, 93910, 100120, 150256, 187820, 200240, 375640, 751280, 23505673, 47011346, 94022692, 117528365, 188045384, 235056730, 376090768, 470113460, 940226920, 1880453840]

約数ペア:

[(1, 1880453840), (2, 940226920), (4, 470113460), (5, 376090768), (8, 235056730), (10, 188045384), (16, 117528365), (20, 94022692), (40, 47011346), (80, 23505673), (2503, 751280), (5006, 375640), (9391, 200240), (10012, 187820), (12515, 150256), (18782, 100120), (20024, 93910), (25030, 75128), (37564, 50060), (40048, 46955)]