13426689020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2539}}^1\times {\mathrm{6449}}^1$

素因数の和:9038

約数の個数: 48

約数和(自身を含む): 28899612000

約数和(自身を除く): 15472922980

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 2539, 5078, 6449, 10156, 12695, 12898, 25390, 25796, 32245, 50780, 64490, 104099, 128980, 208198, 264409, 416396, 520495, 528818, 1040990, 1057636, 1322045, 2081980, 2644090, 5288180, 16374011, 32748022, 65496044, 81870055, 163740110, 327480220, 671334451, 1342668902, 2685337804, 3356672255, 6713344510, 13426689020]

約数ペア:

[(1, 13426689020), (2, 6713344510), (4, 3356672255), (5, 2685337804), (10, 1342668902), (20, 671334451), (41, 327480220), (82, 163740110), (164, 81870055), (205, 65496044), (410, 32748022), (820, 16374011), (2539, 5288180), (5078, 2644090), (6449, 2081980), (10156, 1322045), (12695, 1057636), (12898, 1040990), (25390, 528818), (25796, 520495), (32245, 416396), (50780, 264409), (64490, 208198), (104099, 128980)]