31865080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{263}}^1$

素因数の和:520

約数の個数: 64

約数和(自身を含む): 77837760

約数和(自身を除く): 45972680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 233, 260, 263, 466, 520, 526, 932, 1052, 1165, 1315, 1864, 2104, 2330, 2630, 3029, 3419, 4660, 5260, 6058, 6838, 9320, 10520, 12116, 13676, 15145, 17095, 24232, 27352, 30290, 34190, 60580, 61279, 68380, 121160, 122558, 136760, 245116, 306395, 490232, 612790, 796627, 1225580, 1593254, 2451160, 3186508, 3983135, 6373016, 7966270, 15932540, 31865080]

約数ペア:

[(1, 31865080), (2, 15932540), (4, 7966270), (5, 6373016), (8, 3983135), (10, 3186508), (13, 2451160), (20, 1593254), (26, 1225580), (40, 796627), (52, 612790), (65, 490232), (104, 306395), (130, 245116), (233, 136760), (260, 122558), (263, 121160), (466, 68380), (520, 61279), (526, 60580), (932, 34190), (1052, 30290), (1165, 27352), (1315, 24232), (1864, 17095), (2104, 15145), (2330, 13676), (2630, 12116), (3029, 10520), (3419, 9320), (4660, 6838), (5260, 6058)]