2021875250

素因数分解:

$2^1\times 5^3\times {\mathrm{509}}^1\times {\mathrm{15889}}^1$

素因数の和:16415

約数の個数: 32

約数和(自身を含む): 3792625200

約数和(自身を除く): 1770749950

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 509, 1018, 2545, 5090, 12725, 15889, 25450, 31778, 63625, 79445, 127250, 158890, 397225, 794450, 1986125, 3972250, 8087501, 16175002, 40437505, 80875010, 202187525, 404375050, 1010937625, 2021875250]

約数ペア:

[(1, 2021875250), (2, 1010937625), (5, 404375050), (10, 202187525), (25, 80875010), (50, 40437505), (125, 16175002), (250, 8087501), (509, 3972250), (1018, 1986125), (2545, 794450), (5090, 397225), (12725, 158890), (15889, 127250), (25450, 79445), (31778, 63625)]