30789520

素因数分解:

$2^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{941}}^1$

素因数の和:1363

約数の個数: 40

約数和(自身を含む): 71836920

約数和(自身を除く): 41047400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 409, 818, 941, 1636, 1882, 2045, 3272, 3764, 4090, 4705, 6544, 7528, 8180, 9410, 15056, 16360, 18820, 32720, 37640, 75280, 384869, 769738, 1539476, 1924345, 3078952, 3848690, 6157904, 7697380, 15394760, 30789520]

約数ペア:

[(1, 30789520), (2, 15394760), (4, 7697380), (5, 6157904), (8, 3848690), (10, 3078952), (16, 1924345), (20, 1539476), (40, 769738), (80, 384869), (409, 75280), (818, 37640), (941, 32720), (1636, 18820), (1882, 16360), (2045, 15056), (3272, 9410), (3764, 8180), (4090, 7528), (4705, 6544)]