78953200

素因数分解:

$2^4\times 5^2\times {\mathrm{197383}}^1$

素因数の和:197401

約数の個数: 30

約数和(自身を含む): 189686024

約数和(自身を除く): 110732824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 197383, 394766, 789532, 986915, 1579064, 1973830, 3158128, 3947660, 4934575, 7895320, 9869150, 15790640, 19738300, 39476600, 78953200]

約数ペア:

[(1, 78953200), (2, 39476600), (4, 19738300), (5, 15790640), (8, 9869150), (10, 7895320), (16, 4934575), (20, 3947660), (25, 3158128), (40, 1973830), (50, 1579064), (80, 986915), (100, 789532), (200, 394766), (400, 197383)]