48688400

素因数分解:

$2^4\times 5^2\times {\mathrm{121721}}^1$

素因数の和:121739

約数の個数: 30

約数和(自身を含む): 116974842

約数和(自身を除く): 68286442

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 121721, 243442, 486884, 608605, 973768, 1217210, 1947536, 2434420, 3043025, 4868840, 6086050, 9737680, 12172100, 24344200, 48688400]

約数ペア:

[(1, 48688400), (2, 24344200), (4, 12172100), (5, 9737680), (8, 6086050), (10, 4868840), (16, 3043025), (20, 2434420), (25, 1947536), (40, 1217210), (50, 973768), (80, 608605), (100, 486884), (200, 243442), (400, 121721)]