15820227950

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{4005121}}^1$

素因数の和:4005212

約数の個数: 24

約数和(自身を含む): 29798107680

約数和(自身を除く): 13977879730

約数列:

[1, 2, 5, 10, 25, 50, 79, 158, 395, 790, 1975, 3950, 4005121, 8010242, 20025605, 40051210, 100128025, 200256050, 316404559, 632809118, 1582022795, 3164045590, 7910113975, 15820227950]

約数ペア:

[(1, 15820227950), (2, 7910113975), (5, 3164045590), (10, 1582022795), (25, 632809118), (50, 316404559), (79, 200256050), (158, 100128025), (395, 40051210), (790, 20025605), (1975, 8010242), (3950, 4005121)]