129852200

素因数分解:

$2^3\times 5^2\times {\mathrm{649261}}^1$

素因数の和:649277

約数の個数: 24

約数和(自身を含む): 301906830

約数和(自身を除く): 172054630

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 649261, 1298522, 2597044, 3246305, 5194088, 6492610, 12985220, 16231525, 25970440, 32463050, 64926100, 129852200]

約数ペア:

[(1, 129852200), (2, 64926100), (4, 32463050), (5, 25970440), (8, 16231525), (10, 12985220), (20, 6492610), (25, 5194088), (40, 3246305), (50, 2597044), (100, 1298522), (200, 649261)]