7838480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7537}}^1$

素因数の和:7563

約数の個数: 40

約数和(自身を含む): 19628952

約数和(自身を除く): 11790472

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 7537, 15074, 30148, 37685, 60296, 75370, 97981, 120592, 150740, 195962, 301480, 391924, 489905, 602960, 783848, 979810, 1567696, 1959620, 3919240, 7838480]

約数ペア:

[(1, 7838480), (2, 3919240), (4, 1959620), (5, 1567696), (8, 979810), (10, 783848), (13, 602960), (16, 489905), (20, 391924), (26, 301480), (40, 195962), (52, 150740), (65, 120592), (80, 97981), (104, 75370), (130, 60296), (208, 37685), (260, 30148), (520, 15074), (1040, 7537)]