8385200

素因数分解:

$2^4\times 5^2\times {\mathrm{20963}}^1$

素因数の和:20981

約数の個数: 30

約数和(自身を含む): 20146404

約数和(自身を除く): 11761204

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 20963, 41926, 83852, 104815, 167704, 209630, 335408, 419260, 524075, 838520, 1048150, 1677040, 2096300, 4192600, 8385200]

約数ペア:

[(1, 8385200), (2, 4192600), (4, 2096300), (5, 1677040), (8, 1048150), (10, 838520), (16, 524075), (20, 419260), (25, 335408), (40, 209630), (50, 167704), (80, 104815), (100, 83852), (200, 41926), (400, 20963)]