2019207580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{24499}}^1$

素因数の和:24838

約数の個数: 48

約数和(自身を含む): 4581108000

約数和(自身を除く): 2561900420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 317, 634, 1268, 1585, 3170, 4121, 6340, 8242, 16484, 20605, 24499, 41210, 48998, 82420, 97996, 122495, 244990, 318487, 489980, 636974, 1273948, 1592435, 3184870, 6369740, 7766183, 15532366, 31064732, 38830915, 77661830, 100960379, 155323660, 201920758, 403841516, 504801895, 1009603790, 2019207580]

約数ペア:

[(1, 2019207580), (2, 1009603790), (4, 504801895), (5, 403841516), (10, 201920758), (13, 155323660), (20, 100960379), (26, 77661830), (52, 38830915), (65, 31064732), (130, 15532366), (260, 7766183), (317, 6369740), (634, 3184870), (1268, 1592435), (1585, 1273948), (3170, 636974), (4121, 489980), (6340, 318487), (8242, 244990), (16484, 122495), (20605, 97996), (24499, 82420), (41210, 48998)]