1629920

素因数分解:

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

素因数の和:243

約数の個数: 48

約数和(自身を含む): 3937248

約数和(自身を除く): 2307328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 167, 244, 305, 334, 488, 610, 668, 835, 976, 1220, 1336, 1670, 1952, 2440, 2672, 3340, 4880, 5344, 6680, 9760, 10187, 13360, 20374, 26720, 40748, 50935, 81496, 101870, 162992, 203740, 325984, 407480, 814960, 1629920]

約数ペア:

[(1, 1629920), (2, 814960), (4, 407480), (5, 325984), (8, 203740), (10, 162992), (16, 101870), (20, 81496), (32, 50935), (40, 40748), (61, 26720), (80, 20374), (122, 13360), (160, 10187), (167, 9760), (244, 6680), (305, 5344), (334, 4880), (488, 3340), (610, 2672), (668, 2440), (835, 1952), (976, 1670), (1220, 1336)]