13018760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10499}}^1$

素因数の和:10541

約数の個数: 32

約数和(自身を含む): 30240000

約数和(自身を除く): 17221240

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 10499, 20998, 41996, 52495, 83992, 104990, 209980, 325469, 419960, 650938, 1301876, 1627345, 2603752, 3254690, 6509380, 13018760]

約数ペア:

[(1, 13018760), (2, 6509380), (4, 3254690), (5, 2603752), (8, 1627345), (10, 1301876), (20, 650938), (31, 419960), (40, 325469), (62, 209980), (124, 104990), (155, 83992), (248, 52495), (310, 41996), (620, 20998), (1240, 10499)]