13219240

素因数分解:

$2^3\times 5^1\times {\mathrm{563}}^1\times {\mathrm{587}}^1$

素因数の和:1161

約数の個数: 32

約数和(自身を含む): 29846880

約数和(自身を除く): 16627640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 563, 587, 1126, 1174, 2252, 2348, 2815, 2935, 4504, 4696, 5630, 5870, 11260, 11740, 22520, 23480, 330481, 660962, 1321924, 1652405, 2643848, 3304810, 6609620, 13219240]

約数ペア:

[(1, 13219240), (2, 6609620), (4, 3304810), (5, 2643848), (8, 1652405), (10, 1321924), (20, 660962), (40, 330481), (563, 23480), (587, 22520), (1126, 11740), (1174, 11260), (2252, 5870), (2348, 5630), (2815, 4696), (2935, 4504)]