15725140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 34320384

約数和(自身を除く): 18595244

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 127, 151, 164, 205, 254, 302, 410, 508, 604, 635, 755, 820, 1270, 1510, 2540, 3020, 5207, 6191, 10414, 12382, 19177, 20828, 24764, 26035, 30955, 38354, 52070, 61910, 76708, 95885, 104140, 123820, 191770, 383540, 786257, 1572514, 3145028, 3931285, 7862570, 15725140]

約数ペア:

[(1, 15725140), (2, 7862570), (4, 3931285), (5, 3145028), (10, 1572514), (20, 786257), (41, 383540), (82, 191770), (127, 123820), (151, 104140), (164, 95885), (205, 76708), (254, 61910), (302, 52070), (410, 38354), (508, 30955), (604, 26035), (635, 24764), (755, 20828), (820, 19177), (1270, 12382), (1510, 10414), (2540, 6191), (3020, 5207)]