81427100

素因数分解:

$2^2\times 5^2\times {\mathrm{179}}^1\times {\mathrm{4549}}^1$

素因数の和:4742

約数の個数: 36

約数和(自身を含む): 177723000

約数和(自身を除く): 96295900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 179, 358, 716, 895, 1790, 3580, 4475, 4549, 8950, 9098, 17900, 18196, 22745, 45490, 90980, 113725, 227450, 454900, 814271, 1628542, 3257084, 4071355, 8142710, 16285420, 20356775, 40713550, 81427100]

約数ペア:

[(1, 81427100), (2, 40713550), (4, 20356775), (5, 16285420), (10, 8142710), (20, 4071355), (25, 3257084), (50, 1628542), (100, 814271), (179, 454900), (358, 227450), (716, 113725), (895, 90980), (1790, 45490), (3580, 22745), (4475, 18196), (4549, 17900), (8950, 9098)]