20388750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{5437}}^1$

素因数の和:5462

約数の個数: 40

約数和(自身を含む): 50964936

約数和(自身を除く): 30576186

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 250, 375, 625, 750, 1250, 1875, 3750, 5437, 10874, 16311, 27185, 32622, 54370, 81555, 135925, 163110, 271850, 407775, 679625, 815550, 1359250, 2038875, 3398125, 4077750, 6796250, 10194375, 20388750]

約数ペア:

[(1, 20388750), (2, 10194375), (3, 6796250), (5, 4077750), (6, 3398125), (10, 2038875), (15, 1359250), (25, 815550), (30, 679625), (50, 407775), (75, 271850), (125, 163110), (150, 135925), (250, 81555), (375, 54370), (625, 32622), (750, 27185), (1250, 16311), (1875, 10874), (3750, 5437)]