3989200

素因数分解:

$2^4\times 5^2\times {\mathrm{9973}}^1$

素因数の和:9991

約数の個数: 30

約数和(自身を含む): 9585014

約数和(自身を除く): 5595814

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 9973, 19946, 39892, 49865, 79784, 99730, 159568, 199460, 249325, 398920, 498650, 797840, 997300, 1994600, 3989200]

約数ペア:

[(1, 3989200), (2, 1994600), (4, 997300), (5, 797840), (8, 498650), (10, 398920), (16, 249325), (20, 199460), (25, 159568), (40, 99730), (50, 79784), (80, 49865), (100, 39892), (200, 19946), (400, 9973)]