201221060

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{56207}}^1$

素因数の和:56395

約数の個数: 24

約数和(自身を含む): 424932480

約数和(自身を除く): 223711420

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 56207, 112414, 224828, 281035, 562070, 1124140, 10061053, 20122106, 40244212, 50305265, 100610530, 201221060]

約数ペア:

[(1, 201221060), (2, 100610530), (4, 50305265), (5, 40244212), (10, 20122106), (20, 10061053), (179, 1124140), (358, 562070), (716, 281035), (895, 224828), (1790, 112414), (3580, 56207)]