31353920

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7537}}^1$

素因数の和:7567

約数の個数: 56

約数和(自身を含む): 80415384

約数和(自身を除く): 49061464

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 7537, 15074, 30148, 37685, 60296, 75370, 97981, 120592, 150740, 195962, 241184, 301480, 391924, 482368, 489905, 602960, 783848, 979810, 1205920, 1567696, 1959620, 2411840, 3135392, 3919240, 6270784, 7838480, 15676960, 31353920]

約数ペア:

[(1, 31353920), (2, 15676960), (4, 7838480), (5, 6270784), (8, 3919240), (10, 3135392), (13, 2411840), (16, 1959620), (20, 1567696), (26, 1205920), (32, 979810), (40, 783848), (52, 602960), (64, 489905), (65, 482368), (80, 391924), (104, 301480), (130, 241184), (160, 195962), (208, 150740), (260, 120592), (320, 97981), (416, 75370), (520, 60296), (832, 37685), (1040, 30148), (2080, 15074), (4160, 7537)]