81547450

素因数分解:

$2^1\times 5^2\times {\mathrm{191}}^1\times {\mathrm{8539}}^1$

素因数の和:8742

約数の個数: 24

約数和(自身を含む): 152490240

約数和(自身を除く): 70942790

約数列:

[1, 2, 5, 10, 25, 50, 191, 382, 955, 1910, 4775, 8539, 9550, 17078, 42695, 85390, 213475, 426950, 1630949, 3261898, 8154745, 16309490, 40773725, 81547450]

約数ペア:

[(1, 81547450), (2, 40773725), (5, 16309490), (10, 8154745), (25, 3261898), (50, 1630949), (191, 426950), (382, 213475), (955, 85390), (1910, 42695), (4775, 17078), (8539, 9550)]