89800400

素因数分解:

$2^4\times 5^2\times {\mathrm{224501}}^1$

素因数の和:224519

約数の個数: 30

約数和(自身を含む): 215746422

約数和(自身を除く): 125946022

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 224501, 449002, 898004, 1122505, 1796008, 2245010, 3592016, 4490020, 5612525, 8980040, 11225050, 17960080, 22450100, 44900200, 89800400]

約数ペア:

[(1, 89800400), (2, 44900200), (4, 22450100), (5, 17960080), (8, 11225050), (10, 8980040), (16, 5612525), (20, 4490020), (25, 3592016), (40, 2245010), (50, 1796008), (80, 1122505), (100, 898004), (200, 449002), (400, 224501)]