4720400

素因数分解:

$2^4\times 5^2\times {\mathrm{11801}}^1$

素因数の和:11819

約数の個数: 30

約数和(自身を含む): 11341722

約数和(自身を除く): 6621322

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 11801, 23602, 47204, 59005, 94408, 118010, 188816, 236020, 295025, 472040, 590050, 944080, 1180100, 2360200, 4720400]

約数ペア:

[(1, 4720400), (2, 2360200), (4, 1180100), (5, 944080), (8, 590050), (10, 472040), (16, 295025), (20, 236020), (25, 188816), (40, 118010), (50, 94408), (80, 59005), (100, 47204), (200, 23602), (400, 11801)]