13033420

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 28344960

約数和(自身を除く): 15311540

約数列:

[1, 2, 4, 5, 10, 20, 73, 79, 113, 146, 158, 226, 292, 316, 365, 395, 452, 565, 730, 790, 1130, 1460, 1580, 2260, 5767, 8249, 8927, 11534, 16498, 17854, 23068, 28835, 32996, 35708, 41245, 44635, 57670, 82490, 89270, 115340, 164980, 178540, 651671, 1303342, 2606684, 3258355, 6516710, 13033420]

約数ペア:

[(1, 13033420), (2, 6516710), (4, 3258355), (5, 2606684), (10, 1303342), (20, 651671), (73, 178540), (79, 164980), (113, 115340), (146, 89270), (158, 82490), (226, 57670), (292, 44635), (316, 41245), (365, 35708), (395, 32996), (452, 28835), (565, 23068), (730, 17854), (790, 16498), (1130, 11534), (1460, 8927), (1580, 8249), (2260, 5767)]