12450800

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1831}}^1$

素因数の和:1866

約数の個数: 60

約数和(自身を含む): 31689936

約数和(自身を除く): 19239136

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 272, 340, 400, 425, 680, 850, 1360, 1700, 1831, 3400, 3662, 6800, 7324, 9155, 14648, 18310, 29296, 31127, 36620, 45775, 62254, 73240, 91550, 124508, 146480, 155635, 183100, 249016, 311270, 366200, 498032, 622540, 732400, 778175, 1245080, 1556350, 2490160, 3112700, 6225400, 12450800]

約数ペア:

[(1, 12450800), (2, 6225400), (4, 3112700), (5, 2490160), (8, 1556350), (10, 1245080), (16, 778175), (17, 732400), (20, 622540), (25, 498032), (34, 366200), (40, 311270), (50, 249016), (68, 183100), (80, 155635), (85, 146480), (100, 124508), (136, 91550), (170, 73240), (200, 62254), (272, 45775), (340, 36620), (400, 31127), (425, 29296), (680, 18310), (850, 14648), (1360, 9155), (1700, 7324), (1831, 6800), (3400, 3662)]