51521000

素因数分解:

$2^3\times 5^3\times {\mathrm{51521}}^1$

素因数の和:51542

約数の個数: 32

約数和(自身を含む): 120561480

約数和(自身を除く): 69040480

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 51521, 103042, 206084, 257605, 412168, 515210, 1030420, 1288025, 2060840, 2576050, 5152100, 6440125, 10304200, 12880250, 25760500, 51521000]

約数ペア:

[(1, 51521000), (2, 25760500), (4, 12880250), (5, 10304200), (8, 6440125), (10, 5152100), (20, 2576050), (25, 2060840), (40, 1288025), (50, 1030420), (100, 515210), (125, 412168), (200, 257605), (250, 206084), (500, 103042), (1000, 51521)]