11816920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:268

約数の個数: 64

約数和(自身を含む): 28123200

約数和(自身を除く): 16306280

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 61, 116, 122, 145, 167, 232, 244, 290, 305, 334, 488, 580, 610, 668, 835, 1160, 1220, 1336, 1670, 1769, 2440, 3340, 3538, 4843, 6680, 7076, 8845, 9686, 10187, 14152, 17690, 19372, 20374, 24215, 35380, 38744, 40748, 48430, 50935, 70760, 81496, 96860, 101870, 193720, 203740, 295423, 407480, 590846, 1181692, 1477115, 2363384, 2954230, 5908460, 11816920]

約数ペア:

[(1, 11816920), (2, 5908460), (4, 2954230), (5, 2363384), (8, 1477115), (10, 1181692), (20, 590846), (29, 407480), (40, 295423), (58, 203740), (61, 193720), (116, 101870), (122, 96860), (145, 81496), (167, 70760), (232, 50935), (244, 48430), (290, 40748), (305, 38744), (334, 35380), (488, 24215), (580, 20374), (610, 19372), (668, 17690), (835, 14152), (1160, 10187), (1220, 9686), (1336, 8845), (1670, 7076), (1769, 6680), (2440, 4843), (3340, 3538)]