814960

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:241

約数の個数: 40

約数和(自身を含む): 1937376

約数和(自身を除く): 1122416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 167, 244, 305, 334, 488, 610, 668, 835, 976, 1220, 1336, 1670, 2440, 2672, 3340, 4880, 6680, 10187, 13360, 20374, 40748, 50935, 81496, 101870, 162992, 203740, 407480, 814960]

約数ペア:

[(1, 814960), (2, 407480), (4, 203740), (5, 162992), (8, 101870), (10, 81496), (16, 50935), (20, 40748), (40, 20374), (61, 13360), (80, 10187), (122, 6680), (167, 4880), (244, 3340), (305, 2672), (334, 2440), (488, 1670), (610, 1336), (668, 1220), (835, 976)]