22813720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 54043200

約数和(自身を除く): 31229480

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 71, 116, 142, 145, 232, 277, 284, 290, 355, 554, 568, 580, 710, 1108, 1160, 1385, 1420, 2059, 2216, 2770, 2840, 4118, 5540, 8033, 8236, 10295, 11080, 16066, 16472, 19667, 20590, 32132, 39334, 40165, 41180, 64264, 78668, 80330, 82360, 98335, 157336, 160660, 196670, 321320, 393340, 570343, 786680, 1140686, 2281372, 2851715, 4562744, 5703430, 11406860, 22813720]

約数ペア:

[(1, 22813720), (2, 11406860), (4, 5703430), (5, 4562744), (8, 2851715), (10, 2281372), (20, 1140686), (29, 786680), (40, 570343), (58, 393340), (71, 321320), (116, 196670), (142, 160660), (145, 157336), (232, 98335), (277, 82360), (284, 80330), (290, 78668), (355, 64264), (554, 41180), (568, 40165), (580, 39334), (710, 32132), (1108, 20590), (1160, 19667), (1385, 16472), (1420, 16066), (2059, 11080), (2216, 10295), (2770, 8236), (2840, 8033), (4118, 5540)]