12788840

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{5419}}^1$

素因数の和:5489

約数の個数: 32

約数和(自身を含む): 29268000

約数和(自身を除く): 16479160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 5419, 10838, 21676, 27095, 43352, 54190, 108380, 216760, 319721, 639442, 1278884, 1598605, 2557768, 3197210, 6394420, 12788840]

約数ペア:

[(1, 12788840), (2, 6394420), (4, 3197210), (5, 2557768), (8, 1598605), (10, 1278884), (20, 639442), (40, 319721), (59, 216760), (118, 108380), (236, 54190), (295, 43352), (472, 27095), (590, 21676), (1180, 10838), (2360, 5419)]