88879240

素因数分解:

$2^3\times 5^1\times {\mathrm{2221981}}^1$

素因数の和:2221992

約数の個数: 16

約数和(自身を含む): 199978380

約数和(自身を除く): 111099140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2221981, 4443962, 8887924, 11109905, 17775848, 22219810, 44439620, 88879240]

約数ペア:

[(1, 88879240), (2, 44439620), (4, 22219810), (5, 17775848), (8, 11109905), (10, 8887924), (20, 4443962), (40, 2221981)]