13256440

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1831}}^1$

素因数の和:2023

約数の個数: 32

約数和(自身を含む): 30008160

約数和(自身を除く): 16751720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 1831, 3620, 3662, 7240, 7324, 9155, 14648, 18310, 36620, 73240, 331411, 662822, 1325644, 1657055, 2651288, 3314110, 6628220, 13256440]

約数ペア:

[(1, 13256440), (2, 6628220), (4, 3314110), (5, 2651288), (8, 1657055), (10, 1325644), (20, 662822), (40, 331411), (181, 73240), (362, 36620), (724, 18310), (905, 14648), (1448, 9155), (1810, 7324), (1831, 7240), (3620, 3662)]