9827680

素因数分解:

$2^5\times 5^1\times {\mathrm{239}}^1\times {\mathrm{257}}^1$

素因数の和:511

約数の個数: 48

約数和(自身を含む): 23405760

約数和(自身を除く): 13578080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 239, 257, 478, 514, 956, 1028, 1195, 1285, 1912, 2056, 2390, 2570, 3824, 4112, 4780, 5140, 7648, 8224, 9560, 10280, 19120, 20560, 38240, 41120, 61423, 122846, 245692, 307115, 491384, 614230, 982768, 1228460, 1965536, 2456920, 4913840, 9827680]

約数ペア:

[(1, 9827680), (2, 4913840), (4, 2456920), (5, 1965536), (8, 1228460), (10, 982768), (16, 614230), (20, 491384), (32, 307115), (40, 245692), (80, 122846), (160, 61423), (239, 41120), (257, 38240), (478, 20560), (514, 19120), (956, 10280), (1028, 9560), (1195, 8224), (1285, 7648), (1912, 5140), (2056, 4780), (2390, 4112), (2570, 3824)]