39899900

素因数分解:

$2^2\times 5^2\times {\mathrm{191}}^1\times {\mathrm{2089}}^1$

素因数の和:2294

約数の個数: 36

約数和(自身を含む): 87077760

約数和(自身を除く): 47177860

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 191, 382, 764, 955, 1910, 2089, 3820, 4178, 4775, 8356, 9550, 10445, 19100, 20890, 41780, 52225, 104450, 208900, 398999, 797998, 1595996, 1994995, 3989990, 7979980, 9974975, 19949950, 39899900]

約数ペア:

[(1, 39899900), (2, 19949950), (4, 9974975), (5, 7979980), (10, 3989990), (20, 1994995), (25, 1595996), (50, 797998), (100, 398999), (191, 208900), (382, 104450), (764, 52225), (955, 41780), (1910, 20890), (2089, 19100), (3820, 10445), (4178, 9550), (4775, 8356)]