97870000

素因数分解:

$2^4\times 5^4\times {\mathrm{9787}}^1$

素因数の和:9815

約数の個数: 50

約数和(自身を含む): 236977268

約数和(自身を除く): 139107268

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 9787, 10000, 19574, 39148, 48935, 78296, 97870, 156592, 195740, 244675, 391480, 489350, 782960, 978700, 1223375, 1957400, 2446750, 3914800, 4893500, 6116875, 9787000, 12233750, 19574000, 24467500, 48935000, 97870000]

約数ペア:

[(1, 97870000), (2, 48935000), (4, 24467500), (5, 19574000), (8, 12233750), (10, 9787000), (16, 6116875), (20, 4893500), (25, 3914800), (40, 2446750), (50, 1957400), (80, 1223375), (100, 978700), (125, 782960), (200, 489350), (250, 391480), (400, 244675), (500, 195740), (625, 156592), (1000, 97870), (1250, 78296), (2000, 48935), (2500, 39148), (5000, 19574), (9787, 10000)]