20132500

素因数分解:

$2^2\times 5^4\times {\mathrm{8053}}^1$

素因数の和:8077

約数の個数: 30

約数和(自身を含む): 44031218

約数和(自身を除く): 23898718

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 8053, 16106, 32212, 40265, 80530, 161060, 201325, 402650, 805300, 1006625, 2013250, 4026500, 5033125, 10066250, 20132500]

約数ペア:

[(1, 20132500), (2, 10066250), (4, 5033125), (5, 4026500), (10, 2013250), (20, 1006625), (25, 805300), (50, 402650), (100, 201325), (125, 161060), (250, 80530), (500, 40265), (625, 32212), (1250, 16106), (2500, 8053)]