409160

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 942840

約数和(自身を除く): 533680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 193, 212, 265, 386, 424, 530, 772, 965, 1060, 1544, 1930, 2120, 3860, 7720, 10229, 20458, 40916, 51145, 81832, 102290, 204580, 409160]

約数ペア:

[(1, 409160), (2, 204580), (4, 102290), (5, 81832), (8, 51145), (10, 40916), (20, 20458), (40, 10229), (53, 7720), (106, 3860), (193, 2120), (212, 1930), (265, 1544), (386, 1060), (424, 965), (530, 772)]