53920640

素因数分解:

$2^7\times 5^1\times {\mathrm{173}}^1\times {\mathrm{487}}^1$

素因数の和:679

約数の個数: 64

約数和(自身を含む): 129915360

約数和(自身を除く): 75994720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 173, 320, 346, 487, 640, 692, 865, 974, 1384, 1730, 1948, 2435, 2768, 3460, 3896, 4870, 5536, 6920, 7792, 9740, 11072, 13840, 15584, 19480, 22144, 27680, 31168, 38960, 55360, 62336, 77920, 84251, 110720, 155840, 168502, 311680, 337004, 421255, 674008, 842510, 1348016, 1685020, 2696032, 3370040, 5392064, 6740080, 10784128, 13480160, 26960320, 53920640]

約数ペア:

[(1, 53920640), (2, 26960320), (4, 13480160), (5, 10784128), (8, 6740080), (10, 5392064), (16, 3370040), (20, 2696032), (32, 1685020), (40, 1348016), (64, 842510), (80, 674008), (128, 421255), (160, 337004), (173, 311680), (320, 168502), (346, 155840), (487, 110720), (640, 84251), (692, 77920), (865, 62336), (974, 55360), (1384, 38960), (1730, 31168), (1948, 27680), (2435, 22144), (2768, 19480), (3460, 15584), (3896, 13840), (4870, 11072), (5536, 9740), (6920, 7792)]