23159980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{547}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 51095520

約数和(自身を除く): 27935540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 73, 116, 145, 146, 290, 292, 365, 547, 580, 730, 1094, 1460, 2117, 2188, 2735, 4234, 5470, 8468, 10585, 10940, 15863, 21170, 31726, 39931, 42340, 63452, 79315, 79862, 158630, 159724, 199655, 317260, 399310, 798620, 1157999, 2315998, 4631996, 5789995, 11579990, 23159980]

約数ペア:

[(1, 23159980), (2, 11579990), (4, 5789995), (5, 4631996), (10, 2315998), (20, 1157999), (29, 798620), (58, 399310), (73, 317260), (116, 199655), (145, 159724), (146, 158630), (290, 79862), (292, 79315), (365, 63452), (547, 42340), (580, 39931), (730, 31726), (1094, 21170), (1460, 15863), (2117, 10940), (2188, 10585), (2735, 8468), (4234, 5470)]