12268840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7481}}^1$

素因数の和:7533

約数の個数: 32

約数和(自身を含む): 28281960

約数和(自身を除く): 16013120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 7481, 14962, 29924, 37405, 59848, 74810, 149620, 299240, 306721, 613442, 1226884, 1533605, 2453768, 3067210, 6134420, 12268840]

約数ペア:

[(1, 12268840), (2, 6134420), (4, 3067210), (5, 2453768), (8, 1533605), (10, 1226884), (20, 613442), (40, 306721), (41, 299240), (82, 149620), (164, 74810), (205, 59848), (328, 37405), (410, 29924), (820, 14962), (1640, 7481)]