1628750

素因数分解:

$2^1\times 5^4\times {\mathrm{1303}}^1$

素因数の和:1325

約数の個数: 20

約数和(自身を含む): 3055272

約数和(自身を除く): 1426522

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 1303, 2606, 6515, 13030, 32575, 65150, 162875, 325750, 814375, 1628750]

約数ペア:

[(1, 1628750), (2, 814375), (5, 325750), (10, 162875), (25, 65150), (50, 32575), (125, 13030), (250, 6515), (625, 2606), (1250, 1303)]