13039240

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1801}}^1$

素因数の和:1993

約数の個数: 32

約数和(自身を含む): 29516760

約数和(自身を除く): 16477520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1801, 1810, 3602, 3620, 7204, 7240, 9005, 14408, 18010, 36020, 72040, 325981, 651962, 1303924, 1629905, 2607848, 3259810, 6519620, 13039240]

約数ペア:

[(1, 13039240), (2, 6519620), (4, 3259810), (5, 2607848), (8, 1629905), (10, 1303924), (20, 651962), (40, 325981), (181, 72040), (362, 36020), (724, 18010), (905, 14408), (1448, 9005), (1801, 7240), (1810, 7204), (3602, 3620)]