87690790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{10091}}^1$

素因数の和:10188

約数の個数: 32

約数和(自身を含む): 174389760

約数和(自身を除く): 86698970

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 110, 158, 395, 790, 869, 1738, 4345, 8690, 10091, 20182, 50455, 100910, 111001, 222002, 555005, 797189, 1110010, 1594378, 3985945, 7971890, 8769079, 17538158, 43845395, 87690790]

約数ペア:

[(1, 87690790), (2, 43845395), (5, 17538158), (10, 8769079), (11, 7971890), (22, 3985945), (55, 1594378), (79, 1110010), (110, 797189), (158, 555005), (395, 222002), (790, 111001), (869, 100910), (1738, 50455), (4345, 20182), (8690, 10091)]