79365200

素因数分解:

$2^4\times 5^2\times {\mathrm{198413}}^1$

素因数の和:198431

約数の個数: 30

約数和(自身を含む): 190675854

約数和(自身を除く): 111310654

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 198413, 396826, 793652, 992065, 1587304, 1984130, 3174608, 3968260, 4960325, 7936520, 9920650, 15873040, 19841300, 39682600, 79365200]

約数ペア:

[(1, 79365200), (2, 39682600), (4, 19841300), (5, 15873040), (8, 9920650), (10, 7936520), (16, 4960325), (20, 3968260), (25, 3174608), (40, 1984130), (50, 1587304), (80, 992065), (100, 793652), (200, 396826), (400, 198413)]