79949200

素因数分解:

$2^4\times 5^2\times {\mathrm{199873}}^1$

素因数の和:199891

約数の個数: 30

約数和(自身を含む): 192078914

約数和(自身を除く): 112129714

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 199873, 399746, 799492, 999365, 1598984, 1998730, 3197968, 3997460, 4996825, 7994920, 9993650, 15989840, 19987300, 39974600, 79949200]

約数ペア:

[(1, 79949200), (2, 39974600), (4, 19987300), (5, 15989840), (8, 9993650), (10, 7994920), (16, 4996825), (20, 3997460), (25, 3197968), (40, 1998730), (50, 1598984), (80, 999365), (100, 799492), (200, 399746), (400, 199873)]