81131330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61001}}^1$

素因数の和:61034

約数の個数: 32

約数和(自身を含む): 175685760

約数和(自身を除く): 94554430

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 61001, 122002, 305005, 427007, 610010, 854014, 1159019, 2135035, 2318038, 4270070, 5795095, 8113133, 11590190, 16226266, 40565665, 81131330]

約数ペア:

[(1, 81131330), (2, 40565665), (5, 16226266), (7, 11590190), (10, 8113133), (14, 5795095), (19, 4270070), (35, 2318038), (38, 2135035), (70, 1159019), (95, 854014), (133, 610010), (190, 427007), (266, 305005), (665, 122002), (1330, 61001)]