28685360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{881}}^1$

素因数の和:942

約数の個数: 80

約数和(自身を含む): 74807712

約数和(自身を除く): 46122352

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 74, 80, 88, 110, 148, 176, 185, 220, 296, 370, 407, 440, 592, 740, 814, 880, 881, 1480, 1628, 1762, 2035, 2960, 3256, 3524, 4070, 4405, 6512, 7048, 8140, 8810, 9691, 14096, 16280, 17620, 19382, 32560, 32597, 35240, 38764, 48455, 65194, 70480, 77528, 96910, 130388, 155056, 162985, 193820, 260776, 325970, 358567, 387640, 521552, 651940, 717134, 775280, 1303880, 1434268, 1792835, 2607760, 2868536, 3585670, 5737072, 7171340, 14342680, 28685360]

約数ペア:

[(1, 28685360), (2, 14342680), (4, 7171340), (5, 5737072), (8, 3585670), (10, 2868536), (11, 2607760), (16, 1792835), (20, 1434268), (22, 1303880), (37, 775280), (40, 717134), (44, 651940), (55, 521552), (74, 387640), (80, 358567), (88, 325970), (110, 260776), (148, 193820), (176, 162985), (185, 155056), (220, 130388), (296, 96910), (370, 77528), (407, 70480), (440, 65194), (592, 48455), (740, 38764), (814, 35240), (880, 32597), (881, 32560), (1480, 19382), (1628, 17620), (1762, 16280), (2035, 14096), (2960, 9691), (3256, 8810), (3524, 8140), (4070, 7048), (4405, 6512)]