81943060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{14177}}^1$

素因数の和:14220

約数の個数: 36

約数和(自身を含む): 182811132

約数和(自身を除く): 100868072

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 14177, 28354, 56708, 70885, 141770, 241009, 283540, 482018, 964036, 1205045, 2410090, 4097153, 4820180, 8194306, 16388612, 20485765, 40971530, 81943060]

約数ペア:

[(1, 81943060), (2, 40971530), (4, 20485765), (5, 16388612), (10, 8194306), (17, 4820180), (20, 4097153), (34, 2410090), (68, 1205045), (85, 964036), (170, 482018), (289, 283540), (340, 241009), (578, 141770), (1156, 70885), (1445, 56708), (2890, 28354), (5780, 14177)]