13016780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{853}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 31563840

約数和(自身を除く): 18547060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 853, 1090, 1526, 1706, 2180, 3052, 3412, 3815, 4265, 5971, 7630, 8530, 11942, 15260, 17060, 23884, 29855, 59710, 92977, 119420, 185954, 371908, 464885, 650839, 929770, 1301678, 1859540, 2603356, 3254195, 6508390, 13016780]

約数ペア:

[(1, 13016780), (2, 6508390), (4, 3254195), (5, 2603356), (7, 1859540), (10, 1301678), (14, 929770), (20, 650839), (28, 464885), (35, 371908), (70, 185954), (109, 119420), (140, 92977), (218, 59710), (436, 29855), (545, 23884), (763, 17060), (853, 15260), (1090, 11942), (1526, 8530), (1706, 7630), (2180, 5971), (3052, 4265), (3412, 3815)]