87889240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53591}}^1$

素因数の和:53643

約数の個数: 32

約数和(自身を含む): 202577760

約数和(自身を除く): 114688520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 53591, 107182, 214364, 267955, 428728, 535910, 1071820, 2143640, 2197231, 4394462, 8788924, 10986155, 17577848, 21972310, 43944620, 87889240]

約数ペア:

[(1, 87889240), (2, 43944620), (4, 21972310), (5, 17577848), (8, 10986155), (10, 8788924), (20, 4394462), (40, 2197231), (41, 2143640), (82, 1071820), (164, 535910), (205, 428728), (328, 267955), (410, 214364), (820, 107182), (1640, 53591)]