4913840

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{257}}^1$

素因数の和:509

約数の個数: 40

約数和(自身を含む): 11517120

約数和(自身を除く): 6603280

約数列:

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

約数ペア:

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