8486920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{859}}^1$

素因数の和:902

約数の個数: 64

約数和(自身を含む): 21672000

約数和(自身を除く): 13185080

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 859, 988, 1235, 1718, 1976, 2470, 3436, 4295, 4940, 6872, 8590, 9880, 11167, 16321, 17180, 22334, 32642, 34360, 44668, 55835, 65284, 81605, 89336, 111670, 130568, 163210, 212173, 223340, 326420, 424346, 446680, 652840, 848692, 1060865, 1697384, 2121730, 4243460, 8486920]

約数ペア:

[(1, 8486920), (2, 4243460), (4, 2121730), (5, 1697384), (8, 1060865), (10, 848692), (13, 652840), (19, 446680), (20, 424346), (26, 326420), (38, 223340), (40, 212173), (52, 163210), (65, 130568), (76, 111670), (95, 89336), (104, 81605), (130, 65284), (152, 55835), (190, 44668), (247, 34360), (260, 32642), (380, 22334), (494, 17180), (520, 16321), (760, 11167), (859, 9880), (988, 8590), (1235, 6872), (1718, 4940), (1976, 4295), (2470, 3436)]