28397140

素因数分解:

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

素因数の和:94

約数の個数: 36

約数和(自身を含む): 63361116

約数和(自身を除く): 34963976

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 4913, 5780, 9826, 19652, 24565, 49130, 83521, 98260, 167042, 334084, 417605, 835210, 1419857, 1670420, 2839714, 5679428, 7099285, 14198570, 28397140]

約数ペア:

[(1, 28397140), (2, 14198570), (4, 7099285), (5, 5679428), (10, 2839714), (17, 1670420), (20, 1419857), (34, 835210), (68, 417605), (85, 334084), (170, 167042), (289, 98260), (340, 83521), (578, 49130), (1156, 24565), (1445, 19652), (2890, 9826), (4913, 5780)]