12804640

素因数分解:

$2^5\times 5^1\times {\mathrm{191}}^1\times {\mathrm{419}}^1$

素因数の和:625

約数の個数: 48

約数和(自身を含む): 30481920

約数和(自身を除く): 17677280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 191, 382, 419, 764, 838, 955, 1528, 1676, 1910, 2095, 3056, 3352, 3820, 4190, 6112, 6704, 7640, 8380, 13408, 15280, 16760, 30560, 33520, 67040, 80029, 160058, 320116, 400145, 640232, 800290, 1280464, 1600580, 2560928, 3201160, 6402320, 12804640]

約数ペア:

[(1, 12804640), (2, 6402320), (4, 3201160), (5, 2560928), (8, 1600580), (10, 1280464), (16, 800290), (20, 640232), (32, 400145), (40, 320116), (80, 160058), (160, 80029), (191, 67040), (382, 33520), (419, 30560), (764, 16760), (838, 15280), (955, 13408), (1528, 8380), (1676, 7640), (1910, 6704), (2095, 6112), (3056, 4190), (3352, 3820)]