7145240

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2447}}^1$

素因数の和:2531

約数の個数: 32

約数和(自身を含む): 16303680

約数和(自身を除く): 9158440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2447, 2920, 4894, 9788, 12235, 19576, 24470, 48940, 97880, 178631, 357262, 714524, 893155, 1429048, 1786310, 3572620, 7145240]

約数ペア:

[(1, 7145240), (2, 3572620), (4, 1786310), (5, 1429048), (8, 893155), (10, 714524), (20, 357262), (40, 178631), (73, 97880), (146, 48940), (292, 24470), (365, 19576), (584, 12235), (730, 9788), (1460, 4894), (2447, 2920)]