19573600

素因数分解:

$2^5\times 5^2\times {\mathrm{43}}^1\times {\mathrm{569}}^1$

素因数の和:632

約数の個数: 72

約数和(自身を含む): 48981240

約数和(自身を除く): 29407640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 80, 86, 100, 160, 172, 200, 215, 344, 400, 430, 569, 688, 800, 860, 1075, 1138, 1376, 1720, 2150, 2276, 2845, 3440, 4300, 4552, 5690, 6880, 8600, 9104, 11380, 14225, 17200, 18208, 22760, 24467, 28450, 34400, 45520, 48934, 56900, 91040, 97868, 113800, 122335, 195736, 227600, 244670, 391472, 455200, 489340, 611675, 782944, 978680, 1223350, 1957360, 2446700, 3914720, 4893400, 9786800, 19573600]

約数ペア:

[(1, 19573600), (2, 9786800), (4, 4893400), (5, 3914720), (8, 2446700), (10, 1957360), (16, 1223350), (20, 978680), (25, 782944), (32, 611675), (40, 489340), (43, 455200), (50, 391472), (80, 244670), (86, 227600), (100, 195736), (160, 122335), (172, 113800), (200, 97868), (215, 91040), (344, 56900), (400, 48934), (430, 45520), (569, 34400), (688, 28450), (800, 24467), (860, 22760), (1075, 18208), (1138, 17200), (1376, 14225), (1720, 11380), (2150, 9104), (2276, 8600), (2845, 6880), (3440, 5690), (4300, 4552)]