53428400

素因数分解:

$2^4\times 5^2\times {\mathrm{133571}}^1$

素因数の和:133589

約数の個数: 30

約数和(自身を含む): 128362692

約数和(自身を除く): 74934292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 133571, 267142, 534284, 667855, 1068568, 1335710, 2137136, 2671420, 3339275, 5342840, 6678550, 10685680, 13357100, 26714200, 53428400]

約数ペア:

[(1, 53428400), (2, 26714200), (4, 13357100), (5, 10685680), (8, 6678550), (10, 5342840), (16, 3339275), (20, 2671420), (25, 2137136), (40, 1335710), (50, 1068568), (80, 667855), (100, 534284), (200, 267142), (400, 133571)]