51643880

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:426

約数の個数: 64

約数和(自身を含む): 120096000

約数和(自身を除く): 68452120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 79, 118, 158, 236, 277, 295, 316, 395, 472, 554, 590, 632, 790, 1108, 1180, 1385, 1580, 2216, 2360, 2770, 3160, 4661, 5540, 9322, 11080, 16343, 18644, 21883, 23305, 32686, 37288, 43766, 46610, 65372, 81715, 87532, 93220, 109415, 130744, 163430, 175064, 186440, 218830, 326860, 437660, 653720, 875320, 1291097, 2582194, 5164388, 6455485, 10328776, 12910970, 25821940, 51643880]

約数ペア:

[(1, 51643880), (2, 25821940), (4, 12910970), (5, 10328776), (8, 6455485), (10, 5164388), (20, 2582194), (40, 1291097), (59, 875320), (79, 653720), (118, 437660), (158, 326860), (236, 218830), (277, 186440), (295, 175064), (316, 163430), (395, 130744), (472, 109415), (554, 93220), (590, 87532), (632, 81715), (790, 65372), (1108, 46610), (1180, 43766), (1385, 37288), (1580, 32686), (2216, 23305), (2360, 21883), (2770, 18644), (3160, 16343), (4661, 11080), (5540, 9322)]