164620000

素因数分解:

$2^5\times 5^4\times {\mathrm{8231}}^1$

素因数の和:8261

約数の個数: 60

約数和(自身を含む): 405039096

約数和(自身を除く): 240419096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 625, 800, 1000, 1250, 2000, 2500, 4000, 5000, 8231, 10000, 16462, 20000, 32924, 41155, 65848, 82310, 131696, 164620, 205775, 263392, 329240, 411550, 658480, 823100, 1028875, 1316960, 1646200, 2057750, 3292400, 4115500, 5144375, 6584800, 8231000, 10288750, 16462000, 20577500, 32924000, 41155000, 82310000, 164620000]

約数ペア:

[(1, 164620000), (2, 82310000), (4, 41155000), (5, 32924000), (8, 20577500), (10, 16462000), (16, 10288750), (20, 8231000), (25, 6584800), (32, 5144375), (40, 4115500), (50, 3292400), (80, 2057750), (100, 1646200), (125, 1316960), (160, 1028875), (200, 823100), (250, 658480), (400, 411550), (500, 329240), (625, 263392), (800, 205775), (1000, 164620), (1250, 131696), (2000, 82310), (2500, 65848), (4000, 41155), (5000, 32924), (8231, 20000), (10000, 16462)]