61373720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{37423}}^1$

素因数の和:37475

約数の個数: 32

約数和(自身を含む): 141462720

約数和(自身を除く): 80089000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 37423, 74846, 149692, 187115, 299384, 374230, 748460, 1496920, 1534343, 3068686, 6137372, 7671715, 12274744, 15343430, 30686860, 61373720]

約数ペア:

[(1, 61373720), (2, 30686860), (4, 15343430), (5, 12274744), (8, 7671715), (10, 6137372), (20, 3068686), (40, 1534343), (41, 1496920), (82, 748460), (164, 374230), (205, 299384), (328, 187115), (410, 149692), (820, 74846), (1640, 37423)]