87965680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{99961}}^1$

素因数の和:99985

約数の個数: 40

約数和(自身を含む): 223115184

約数和(自身を除く): 135149504

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 99961, 199922, 399844, 499805, 799688, 999610, 1099571, 1599376, 1999220, 2199142, 3998440, 4398284, 5497855, 7996880, 8796568, 10995710, 17593136, 21991420, 43982840, 87965680]

約数ペア:

[(1, 87965680), (2, 43982840), (4, 21991420), (5, 17593136), (8, 10995710), (10, 8796568), (11, 7996880), (16, 5497855), (20, 4398284), (22, 3998440), (40, 2199142), (44, 1999220), (55, 1599376), (80, 1099571), (88, 999610), (110, 799688), (176, 499805), (220, 399844), (440, 199922), (880, 99961)]