164402800

素因数分解:

$2^4\times 5^2\times {\mathrm{411007}}^1$

素因数の和:411025

約数の個数: 30

約数和(自身を含む): 394978688

約数和(自身を除く): 230575888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 411007, 822014, 1644028, 2055035, 3288056, 4110070, 6576112, 8220140, 10275175, 16440280, 20550350, 32880560, 41100700, 82201400, 164402800]

約数ペア:

[(1, 164402800), (2, 82201400), (4, 41100700), (5, 32880560), (8, 20550350), (10, 16440280), (16, 10275175), (20, 8220140), (25, 6576112), (40, 4110070), (50, 3288056), (80, 2055035), (100, 1644028), (200, 822014), (400, 411007)]