80867990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1483}}^1$

素因数の和:1557

約数の個数: 64

約数和(自身を含む): 179504640

約数和(自身を除く): 98636650

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 41, 70, 82, 95, 133, 190, 205, 266, 287, 410, 574, 665, 779, 1330, 1435, 1483, 1558, 2870, 2966, 3895, 5453, 7415, 7790, 10381, 10906, 14830, 20762, 27265, 28177, 51905, 54530, 56354, 60803, 103810, 121606, 140885, 197239, 281770, 304015, 394478, 425621, 608030, 851242, 986195, 1155257, 1972390, 2128105, 2310514, 4256210, 5776285, 8086799, 11552570, 16173598, 40433995, 80867990]

約数ペア:

[(1, 80867990), (2, 40433995), (5, 16173598), (7, 11552570), (10, 8086799), (14, 5776285), (19, 4256210), (35, 2310514), (38, 2128105), (41, 1972390), (70, 1155257), (82, 986195), (95, 851242), (133, 608030), (190, 425621), (205, 394478), (266, 304015), (287, 281770), (410, 197239), (574, 140885), (665, 121606), (779, 103810), (1330, 60803), (1435, 56354), (1483, 54530), (1558, 51905), (2870, 28177), (2966, 27265), (3895, 20762), (5453, 14830), (7415, 10906), (7790, 10381)]