87196880

素因数分解:

$2^4\times 5^1\times {\mathrm{1089961}}^1$

素因数の和:1089974

約数の個数: 20

約数和(自身を含む): 202732932

約数和(自身を除く): 115536052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1089961, 2179922, 4359844, 5449805, 8719688, 10899610, 17439376, 21799220, 43598440, 87196880]

約数ペア:

[(1, 87196880), (2, 43598440), (4, 21799220), (5, 17439376), (8, 10899610), (10, 8719688), (16, 5449805), (20, 4359844), (40, 2179922), (80, 1089961)]