28620400

素因数分解:

$2^4\times 5^2\times {\mathrm{71551}}^1$

素因数の和:71569

約数の個数: 30

約数和(自身を含む): 68761472

約数和(自身を除く): 40141072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 71551, 143102, 286204, 357755, 572408, 715510, 1144816, 1431020, 1788775, 2862040, 3577550, 5724080, 7155100, 14310200, 28620400]

約数ペア:

[(1, 28620400), (2, 14310200), (4, 7155100), (5, 5724080), (8, 3577550), (10, 2862040), (16, 1788775), (20, 1431020), (25, 1144816), (40, 715510), (50, 572408), (80, 357755), (100, 286204), (200, 143102), (400, 71551)]