86848400

素因数分解:

$2^4\times 5^2\times {\mathrm{217121}}^1$

素因数の和:217139

約数の個数: 30

約数和(自身を含む): 208654242

約数和(自身を除く): 121805842

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 217121, 434242, 868484, 1085605, 1736968, 2171210, 3473936, 4342420, 5428025, 8684840, 10856050, 17369680, 21712100, 43424200, 86848400]

約数ペア:

[(1, 86848400), (2, 43424200), (4, 21712100), (5, 17369680), (8, 10856050), (10, 8684840), (16, 5428025), (20, 4342420), (25, 3473936), (40, 2171210), (50, 1736968), (80, 1085605), (100, 868484), (200, 434242), (400, 217121)]