103600400

素因数分解:

$2^4\times 5^2\times {\mathrm{259001}}^1$

素因数の和:259019

約数の個数: 30

約数和(自身を含む): 248900922

約数和(自身を除く): 145300522

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 259001, 518002, 1036004, 1295005, 2072008, 2590010, 4144016, 5180020, 6475025, 10360040, 12950050, 20720080, 25900100, 51800200, 103600400]

約数ペア:

[(1, 103600400), (2, 51800200), (4, 25900100), (5, 20720080), (8, 12950050), (10, 10360040), (16, 6475025), (20, 5180020), (25, 4144016), (40, 2590010), (50, 2072008), (80, 1295005), (100, 1036004), (200, 518002), (400, 259001)]