28525850

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1$

素因数の和:335

約数の個数: 48

約数和(自身を含む): 55710720

約数和(自身を除く): 27184870

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 103, 145, 191, 206, 290, 382, 515, 725, 955, 1030, 1450, 1910, 2575, 2987, 4775, 5150, 5539, 5974, 9550, 11078, 14935, 19673, 27695, 29870, 39346, 55390, 74675, 98365, 138475, 149350, 196730, 276950, 491825, 570517, 983650, 1141034, 2852585, 5705170, 14262925, 28525850]

約数ペア:

[(1, 28525850), (2, 14262925), (5, 5705170), (10, 2852585), (25, 1141034), (29, 983650), (50, 570517), (58, 491825), (103, 276950), (145, 196730), (191, 149350), (206, 138475), (290, 98365), (382, 74675), (515, 55390), (725, 39346), (955, 29870), (1030, 27695), (1450, 19673), (1910, 14935), (2575, 11078), (2987, 9550), (4775, 5974), (5150, 5539)]