1247480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2399}}^1$

素因数の和:2423

約数の個数: 32

約数和(自身を含む): 3024000

約数和(自身を除く): 1776520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 2399, 4798, 9596, 11995, 19192, 23990, 31187, 47980, 62374, 95960, 124748, 155935, 249496, 311870, 623740, 1247480]

約数ペア:

[(1, 1247480), (2, 623740), (4, 311870), (5, 249496), (8, 155935), (10, 124748), (13, 95960), (20, 62374), (26, 47980), (40, 31187), (52, 23990), (65, 19192), (104, 11995), (130, 9596), (260, 4798), (520, 2399)]