29621840

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:244

約数の個数: 80

約数和(自身を含む): 72019200

約数和(自身を除く): 42397360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 79, 80, 86, 109, 158, 172, 215, 218, 316, 344, 395, 430, 436, 545, 632, 688, 790, 860, 872, 1090, 1264, 1580, 1720, 1744, 2180, 3160, 3397, 3440, 4360, 4687, 6320, 6794, 8611, 8720, 9374, 13588, 16985, 17222, 18748, 23435, 27176, 33970, 34444, 37496, 43055, 46870, 54352, 67940, 68888, 74992, 86110, 93740, 135880, 137776, 172220, 187480, 271760, 344440, 370273, 374960, 688880, 740546, 1481092, 1851365, 2962184, 3702730, 5924368, 7405460, 14810920, 29621840]

約数ペア:

[(1, 29621840), (2, 14810920), (4, 7405460), (5, 5924368), (8, 3702730), (10, 2962184), (16, 1851365), (20, 1481092), (40, 740546), (43, 688880), (79, 374960), (80, 370273), (86, 344440), (109, 271760), (158, 187480), (172, 172220), (215, 137776), (218, 135880), (316, 93740), (344, 86110), (395, 74992), (430, 68888), (436, 67940), (545, 54352), (632, 46870), (688, 43055), (790, 37496), (860, 34444), (872, 33970), (1090, 27176), (1264, 23435), (1580, 18748), (1720, 17222), (1744, 16985), (2180, 13588), (3160, 9374), (3397, 8720), (3440, 8611), (4360, 6794), (4687, 6320)]