9796840

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{953}}^1$

素因数の和:1221

約数の個数: 32

約数和(自身を含む): 22151880

約数和(自身を除く): 12355040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 953, 1028, 1285, 1906, 2056, 2570, 3812, 4765, 5140, 7624, 9530, 10280, 19060, 38120, 244921, 489842, 979684, 1224605, 1959368, 2449210, 4898420, 9796840]

約数ペア:

[(1, 9796840), (2, 4898420), (4, 2449210), (5, 1959368), (8, 1224605), (10, 979684), (20, 489842), (40, 244921), (257, 38120), (514, 19060), (953, 10280), (1028, 9530), (1285, 7624), (1906, 5140), (2056, 4765), (2570, 3812)]