13708360

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{881}}^1$

素因数の和:1281

約数の個数: 32

約数和(自身を含む): 30958200

約数和(自身を除く): 17249840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 881, 1556, 1762, 1945, 3112, 3524, 3890, 4405, 7048, 7780, 8810, 15560, 17620, 35240, 342709, 685418, 1370836, 1713545, 2741672, 3427090, 6854180, 13708360]

約数ペア:

[(1, 13708360), (2, 6854180), (4, 3427090), (5, 2741672), (8, 1713545), (10, 1370836), (20, 685418), (40, 342709), (389, 35240), (778, 17620), (881, 15560), (1556, 8810), (1762, 7780), (1945, 7048), (3112, 4405), (3524, 3890)]