51763640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{76123}}^1$

素因数の和:76151

約数の個数: 32

約数和(自身を含む): 123320880

約数和(自身を除く): 71557240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 76123, 152246, 304492, 380615, 608984, 761230, 1294091, 1522460, 2588182, 3044920, 5176364, 6470455, 10352728, 12940910, 25881820, 51763640]

約数ペア:

[(1, 51763640), (2, 25881820), (4, 12940910), (5, 10352728), (8, 6470455), (10, 5176364), (17, 3044920), (20, 2588182), (34, 1522460), (40, 1294091), (68, 761230), (85, 608984), (136, 380615), (170, 304492), (340, 152246), (680, 76123)]