485920040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{12641}}^1$

素因数の和:12714

約数の個数: 48

約数和(自身を含む): 1129815540

約数和(自身を除く): 643895500

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 961, 1240, 1922, 3844, 4805, 7688, 9610, 12641, 19220, 25282, 38440, 50564, 63205, 101128, 126410, 252820, 391871, 505640, 783742, 1567484, 1959355, 3134968, 3918710, 7837420, 12148001, 15674840, 24296002, 48592004, 60740005, 97184008, 121480010, 242960020, 485920040]

約数ペア:

[(1, 485920040), (2, 242960020), (4, 121480010), (5, 97184008), (8, 60740005), (10, 48592004), (20, 24296002), (31, 15674840), (40, 12148001), (62, 7837420), (124, 3918710), (155, 3134968), (248, 1959355), (310, 1567484), (620, 783742), (961, 505640), (1240, 391871), (1922, 252820), (3844, 126410), (4805, 101128), (7688, 63205), (9610, 50564), (12641, 38440), (19220, 25282)]