28459480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101641}}^1$

素因数の和:101659

約数の個数: 32

約数和(自身を含む): 73182240

約数和(自身を除く): 44722760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 101641, 203282, 406564, 508205, 711487, 813128, 1016410, 1422974, 2032820, 2845948, 3557435, 4065640, 5691896, 7114870, 14229740, 28459480]

約数ペア:

[(1, 28459480), (2, 14229740), (4, 7114870), (5, 5691896), (7, 4065640), (8, 3557435), (10, 2845948), (14, 2032820), (20, 1422974), (28, 1016410), (35, 813128), (40, 711487), (56, 508205), (70, 406564), (140, 203282), (280, 101641)]