89620000

素因数分解:

$2^5\times 5^4\times {\mathrm{4481}}^1$

素因数の和:4511

約数の個数: 60

約数和(自身を含む): 220527846

約数和(自身を除く): 130907846

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, 4481, 5000, 8962, 10000, 17924, 20000, 22405, 35848, 44810, 71696, 89620, 112025, 143392, 179240, 224050, 358480, 448100, 560125, 716960, 896200, 1120250, 1792400, 2240500, 2800625, 3584800, 4481000, 5601250, 8962000, 11202500, 17924000, 22405000, 44810000, 89620000]

約数ペア:

[(1, 89620000), (2, 44810000), (4, 22405000), (5, 17924000), (8, 11202500), (10, 8962000), (16, 5601250), (20, 4481000), (25, 3584800), (32, 2800625), (40, 2240500), (50, 1792400), (80, 1120250), (100, 896200), (125, 716960), (160, 560125), (200, 448100), (250, 358480), (400, 224050), (500, 179240), (625, 143392), (800, 112025), (1000, 89620), (1250, 71696), (2000, 44810), (2500, 35848), (4000, 22405), (4481, 20000), (5000, 17924), (8962, 10000)]