8979820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 19813248

約数和(自身を除く): 10833428

約数列:

[1, 2, 4, 5, 10, 20, 41, 47, 82, 94, 164, 188, 205, 233, 235, 410, 466, 470, 820, 932, 940, 1165, 1927, 2330, 3854, 4660, 7708, 9553, 9635, 10951, 19106, 19270, 21902, 38212, 38540, 43804, 47765, 54755, 95530, 109510, 191060, 219020, 448991, 897982, 1795964, 2244955, 4489910, 8979820]

約数ペア:

[(1, 8979820), (2, 4489910), (4, 2244955), (5, 1795964), (10, 897982), (20, 448991), (41, 219020), (47, 191060), (82, 109510), (94, 95530), (164, 54755), (188, 47765), (205, 43804), (233, 38540), (235, 38212), (410, 21902), (466, 19270), (470, 19106), (820, 10951), (932, 9635), (940, 9553), (1165, 7708), (1927, 4660), (2330, 3854)]