8724040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{883}}^1$

素因数の和:926

約数の個数: 64

約数和(自身を含む): 22276800

約数和(自身を除く): 13552760

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 883, 988, 1235, 1766, 1976, 2470, 3532, 4415, 4940, 7064, 8830, 9880, 11479, 16777, 17660, 22958, 33554, 35320, 45916, 57395, 67108, 83885, 91832, 114790, 134216, 167770, 218101, 229580, 335540, 436202, 459160, 671080, 872404, 1090505, 1744808, 2181010, 4362020, 8724040]

約数ペア:

[(1, 8724040), (2, 4362020), (4, 2181010), (5, 1744808), (8, 1090505), (10, 872404), (13, 671080), (19, 459160), (20, 436202), (26, 335540), (38, 229580), (40, 218101), (52, 167770), (65, 134216), (76, 114790), (95, 91832), (104, 83885), (130, 67108), (152, 57395), (190, 45916), (247, 35320), (260, 33554), (380, 22958), (494, 17660), (520, 16777), (760, 11479), (883, 9880), (988, 8830), (1235, 7064), (1766, 4940), (1976, 4415), (2470, 3532)]