27829160

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:362

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 37489240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 71, 82, 142, 164, 205, 239, 284, 328, 355, 410, 478, 568, 710, 820, 956, 1195, 1420, 1640, 1912, 2390, 2840, 2911, 4780, 5822, 9560, 9799, 11644, 14555, 16969, 19598, 23288, 29110, 33938, 39196, 48995, 58220, 67876, 78392, 84845, 97990, 116440, 135752, 169690, 195980, 339380, 391960, 678760, 695729, 1391458, 2782916, 3478645, 5565832, 6957290, 13914580, 27829160]

約数ペア:

[(1, 27829160), (2, 13914580), (4, 6957290), (5, 5565832), (8, 3478645), (10, 2782916), (20, 1391458), (40, 695729), (41, 678760), (71, 391960), (82, 339380), (142, 195980), (164, 169690), (205, 135752), (239, 116440), (284, 97990), (328, 84845), (355, 78392), (410, 67876), (478, 58220), (568, 48995), (710, 39196), (820, 33938), (956, 29110), (1195, 23288), (1420, 19598), (1640, 16969), (1912, 14555), (2390, 11644), (2840, 9799), (2911, 9560), (4780, 5822)]