28739360

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{337}}^1$

素因数の和:406

約数の個数: 96

約数和(自身を含む): 75125232

約数和(自身を除く): 46385872

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 65, 80, 82, 104, 130, 160, 164, 205, 208, 260, 328, 337, 410, 416, 520, 533, 656, 674, 820, 1040, 1066, 1312, 1348, 1640, 1685, 2080, 2132, 2665, 2696, 3280, 3370, 4264, 4381, 5330, 5392, 6560, 6740, 8528, 8762, 10660, 10784, 13480, 13817, 17056, 17524, 21320, 21905, 26960, 27634, 35048, 42640, 43810, 53920, 55268, 69085, 70096, 85280, 87620, 110536, 138170, 140192, 175240, 179621, 221072, 276340, 350480, 359242, 442144, 552680, 700960, 718484, 898105, 1105360, 1436968, 1796210, 2210720, 2873936, 3592420, 5747872, 7184840, 14369680, 28739360]

約数ペア:

[(1, 28739360), (2, 14369680), (4, 7184840), (5, 5747872), (8, 3592420), (10, 2873936), (13, 2210720), (16, 1796210), (20, 1436968), (26, 1105360), (32, 898105), (40, 718484), (41, 700960), (52, 552680), (65, 442144), (80, 359242), (82, 350480), (104, 276340), (130, 221072), (160, 179621), (164, 175240), (205, 140192), (208, 138170), (260, 110536), (328, 87620), (337, 85280), (410, 70096), (416, 69085), (520, 55268), (533, 53920), (656, 43810), (674, 42640), (820, 35048), (1040, 27634), (1066, 26960), (1312, 21905), (1348, 21320), (1640, 17524), (1685, 17056), (2080, 13817), (2132, 13480), (2665, 10784), (2696, 10660), (3280, 8762), (3370, 8528), (4264, 6740), (4381, 6560), (5330, 5392)]