520020325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{21247}}^1$

素因数の和:21357

約数の個数: 24

約数和(自身を含む): 711383040

約数和(自身を除く): 191362715

約数列:

[1, 5, 11, 25, 55, 89, 275, 445, 979, 2225, 4895, 21247, 24475, 106235, 233717, 531175, 1168585, 1890983, 5842925, 9454915, 20800813, 47274575, 104004065, 520020325]

約数ペア:

[(1, 520020325), (5, 104004065), (11, 47274575), (25, 20800813), (55, 9454915), (89, 5842925), (275, 1890983), (445, 1168585), (979, 531175), (2225, 233717), (4895, 106235), (21247, 24475)]