13017320

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{773}}^1$

素因数の和:1205

約数の個数: 32

約数和(自身を含む): 29396520

約数和(自身を除く): 16379200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 773, 842, 1546, 1684, 2105, 3092, 3368, 3865, 4210, 6184, 7730, 8420, 15460, 16840, 30920, 325433, 650866, 1301732, 1627165, 2603464, 3254330, 6508660, 13017320]

約数ペア:

[(1, 13017320), (2, 6508660), (4, 3254330), (5, 2603464), (8, 1627165), (10, 1301732), (20, 650866), (40, 325433), (421, 30920), (773, 16840), (842, 15460), (1546, 8420), (1684, 7730), (2105, 6184), (3092, 4210), (3368, 3865)]