55278640

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{23827}}^1$

素因数の和:23869

約数の個数: 40

約数和(自身を含む): 132960240

約数和(自身を除く): 77681600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 23827, 47654, 95308, 119135, 190616, 238270, 381232, 476540, 690983, 953080, 1381966, 1906160, 2763932, 3454915, 5527864, 6909830, 11055728, 13819660, 27639320, 55278640]

約数ペア:

[(1, 55278640), (2, 27639320), (4, 13819660), (5, 11055728), (8, 6909830), (10, 5527864), (16, 3454915), (20, 2763932), (29, 1906160), (40, 1381966), (58, 953080), (80, 690983), (116, 476540), (145, 381232), (232, 238270), (290, 190616), (464, 119135), (580, 95308), (1160, 47654), (2320, 23827)]