8742560

素因数分解:

$2^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{541}}^1$

素因数の和:657

約数の個数: 48

約数和(自身を含む): 20897352

約数和(自身を除く): 12154792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 160, 202, 404, 505, 541, 808, 1010, 1082, 1616, 2020, 2164, 2705, 3232, 4040, 4328, 5410, 8080, 8656, 10820, 16160, 17312, 21640, 43280, 54641, 86560, 109282, 218564, 273205, 437128, 546410, 874256, 1092820, 1748512, 2185640, 4371280, 8742560]

約数ペア:

[(1, 8742560), (2, 4371280), (4, 2185640), (5, 1748512), (8, 1092820), (10, 874256), (16, 546410), (20, 437128), (32, 273205), (40, 218564), (80, 109282), (101, 86560), (160, 54641), (202, 43280), (404, 21640), (505, 17312), (541, 16160), (808, 10820), (1010, 8656), (1082, 8080), (1616, 5410), (2020, 4328), (2164, 4040), (2705, 3232)]