28161440

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:190

約数の個数: 96

約数和(自身を含む): 70326144

約数和(自身を除く): 42164704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 67, 71, 74, 80, 134, 142, 148, 160, 185, 268, 284, 296, 335, 355, 370, 536, 568, 592, 670, 710, 740, 1072, 1136, 1184, 1340, 1420, 1480, 2144, 2272, 2479, 2627, 2680, 2840, 2960, 4757, 4958, 5254, 5360, 5680, 5920, 9514, 9916, 10508, 10720, 11360, 12395, 13135, 19028, 19832, 21016, 23785, 24790, 26270, 38056, 39664, 42032, 47570, 49580, 52540, 76112, 79328, 84064, 95140, 99160, 105080, 152224, 176009, 190280, 198320, 210160, 352018, 380560, 396640, 420320, 704036, 761120, 880045, 1408072, 1760090, 2816144, 3520180, 5632288, 7040360, 14080720, 28161440]

約数ペア:

[(1, 28161440), (2, 14080720), (4, 7040360), (5, 5632288), (8, 3520180), (10, 2816144), (16, 1760090), (20, 1408072), (32, 880045), (37, 761120), (40, 704036), (67, 420320), (71, 396640), (74, 380560), (80, 352018), (134, 210160), (142, 198320), (148, 190280), (160, 176009), (185, 152224), (268, 105080), (284, 99160), (296, 95140), (335, 84064), (355, 79328), (370, 76112), (536, 52540), (568, 49580), (592, 47570), (670, 42032), (710, 39664), (740, 38056), (1072, 26270), (1136, 24790), (1184, 23785), (1340, 21016), (1420, 19832), (1480, 19028), (2144, 13135), (2272, 12395), (2479, 11360), (2627, 10720), (2680, 10508), (2840, 9916), (2960, 9514), (4757, 5920), (4958, 5680), (5254, 5360)]