7874680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1627}}^1$

素因数の和:1660

約数の個数: 48

約数和(自身を含む): 19487160

約数和(自身を除く): 11612480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 1627, 2420, 3254, 4840, 6508, 8135, 13016, 16270, 17897, 32540, 35794, 65080, 71588, 89485, 143176, 178970, 196867, 357940, 393734, 715880, 787468, 984335, 1574936, 1968670, 3937340, 7874680]

約数ペア:

[(1, 7874680), (2, 3937340), (4, 1968670), (5, 1574936), (8, 984335), (10, 787468), (11, 715880), (20, 393734), (22, 357940), (40, 196867), (44, 178970), (55, 143176), (88, 89485), (110, 71588), (121, 65080), (220, 35794), (242, 32540), (440, 17897), (484, 16270), (605, 13016), (968, 8135), (1210, 6508), (1627, 4840), (2420, 3254)]