80759960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{65129}}^1$

素因数の和:65171

約数の個数: 32

約数和(自身を含む): 187574400

約数和(自身を除く): 106814440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 65129, 130258, 260516, 325645, 521032, 651290, 1302580, 2018999, 2605160, 4037998, 8075996, 10094995, 16151992, 20189990, 40379980, 80759960]

約数ペア:

[(1, 80759960), (2, 40379980), (4, 20189990), (5, 16151992), (8, 10094995), (10, 8075996), (20, 4037998), (31, 2605160), (40, 2018999), (62, 1302580), (124, 651290), (155, 521032), (248, 325645), (310, 260516), (620, 130258), (1240, 65129)]