12701720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18679}}^1$

素因数の和:18707

約数の個数: 32

約数和(自身を含む): 30261600

約数和(自身を除く): 17559880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 18679, 37358, 74716, 93395, 149432, 186790, 317543, 373580, 635086, 747160, 1270172, 1587715, 2540344, 3175430, 6350860, 12701720]

約数ペア:

[(1, 12701720), (2, 6350860), (4, 3175430), (5, 2540344), (8, 1587715), (10, 1270172), (17, 747160), (20, 635086), (34, 373580), (40, 317543), (68, 186790), (85, 149432), (136, 93395), (170, 74716), (340, 37358), (680, 18679)]