12912440

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1933}}^1$

素因数の和:2111

約数の個数: 32

約数和(自身を含む): 29242080

約数和(自身を除く): 16329640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 1933, 3340, 3866, 6680, 7732, 9665, 15464, 19330, 38660, 77320, 322811, 645622, 1291244, 1614055, 2582488, 3228110, 6456220, 12912440]

約数ペア:

[(1, 12912440), (2, 6456220), (4, 3228110), (5, 2582488), (8, 1614055), (10, 1291244), (20, 645622), (40, 322811), (167, 77320), (334, 38660), (668, 19330), (835, 15464), (1336, 9665), (1670, 7732), (1933, 6680), (3340, 3866)]