39850640

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:324

約数の個数: 80

約数和(自身を含む): 97426800

約数和(自身を除く): 57576160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 89, 116, 145, 178, 193, 232, 290, 356, 386, 445, 464, 580, 712, 772, 890, 965, 1160, 1424, 1544, 1780, 1930, 2320, 2581, 3088, 3560, 3860, 5162, 5597, 7120, 7720, 10324, 11194, 12905, 15440, 17177, 20648, 22388, 25810, 27985, 34354, 41296, 44776, 51620, 55970, 68708, 85885, 89552, 103240, 111940, 137416, 171770, 206480, 223880, 274832, 343540, 447760, 498133, 687080, 996266, 1374160, 1992532, 2490665, 3985064, 4981330, 7970128, 9962660, 19925320, 39850640]

約数ペア:

[(1, 39850640), (2, 19925320), (4, 9962660), (5, 7970128), (8, 4981330), (10, 3985064), (16, 2490665), (20, 1992532), (29, 1374160), (40, 996266), (58, 687080), (80, 498133), (89, 447760), (116, 343540), (145, 274832), (178, 223880), (193, 206480), (232, 171770), (290, 137416), (356, 111940), (386, 103240), (445, 89552), (464, 85885), (580, 68708), (712, 55970), (772, 51620), (890, 44776), (965, 41296), (1160, 34354), (1424, 27985), (1544, 25810), (1780, 22388), (1930, 20648), (2320, 17177), (2581, 15440), (3088, 12905), (3560, 11194), (3860, 10324), (5162, 7720), (5597, 7120)]