28787360

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{25703}}^1$

素因数の和:25725

約数の個数: 48

約数和(自身を含む): 77728896

約数和(自身を除く): 48941536

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 25703, 51406, 102812, 128515, 179921, 205624, 257030, 359842, 411248, 514060, 719684, 822496, 899605, 1028120, 1439368, 1799210, 2056240, 2878736, 3598420, 4112480, 5757472, 7196840, 14393680, 28787360]

約数ペア:

[(1, 28787360), (2, 14393680), (4, 7196840), (5, 5757472), (7, 4112480), (8, 3598420), (10, 2878736), (14, 2056240), (16, 1799210), (20, 1439368), (28, 1028120), (32, 899605), (35, 822496), (40, 719684), (56, 514060), (70, 411248), (80, 359842), (112, 257030), (140, 205624), (160, 179921), (224, 128515), (280, 102812), (560, 51406), (1120, 25703)]