13498840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8231}}^1$

素因数の和:8283

約数の個数: 32

約数和(自身を含む): 31116960

約数和(自身を除く): 17618120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 8231, 16462, 32924, 41155, 65848, 82310, 164620, 329240, 337471, 674942, 1349884, 1687355, 2699768, 3374710, 6749420, 13498840]

約数ペア:

[(1, 13498840), (2, 6749420), (4, 3374710), (5, 2699768), (8, 1687355), (10, 1349884), (20, 674942), (40, 337471), (41, 329240), (82, 164620), (164, 82310), (205, 65848), (328, 41155), (410, 32924), (820, 16462), (1640, 8231)]