31008640

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3727}}^1$

素因数の和:3759

約数の個数: 64

約数和(自身を含む): 79853760

約数和(自身を除く): 48845120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 3727, 4160, 7454, 8320, 14908, 18635, 29816, 37270, 48451, 59632, 74540, 96902, 119264, 149080, 193804, 238528, 242255, 298160, 387608, 477056, 484510, 596320, 775216, 969020, 1192640, 1550432, 1938040, 2385280, 3100864, 3876080, 6201728, 7752160, 15504320, 31008640]

約数ペア:

[(1, 31008640), (2, 15504320), (4, 7752160), (5, 6201728), (8, 3876080), (10, 3100864), (13, 2385280), (16, 1938040), (20, 1550432), (26, 1192640), (32, 969020), (40, 775216), (52, 596320), (64, 484510), (65, 477056), (80, 387608), (104, 298160), (128, 242255), (130, 238528), (160, 193804), (208, 149080), (260, 119264), (320, 96902), (416, 74540), (520, 59632), (640, 48451), (832, 37270), (1040, 29816), (1664, 18635), (2080, 14908), (3727, 8320), (4160, 7454)]