13259240

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1571}}^1$

素因数の和:1793

約数の個数: 32

約数和(自身を含む): 29993760

約数和(自身を除く): 16734520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1571, 1688, 2110, 3142, 4220, 6284, 7855, 8440, 12568, 15710, 31420, 62840, 331481, 662962, 1325924, 1657405, 2651848, 3314810, 6629620, 13259240]

約数ペア:

[(1, 13259240), (2, 6629620), (4, 3314810), (5, 2651848), (8, 1657405), (10, 1325924), (20, 662962), (40, 331481), (211, 62840), (422, 31420), (844, 15710), (1055, 12568), (1571, 8440), (1688, 7855), (2110, 6284), (3142, 4220)]