66828400

素因数分解:

$2^4\times 5^2\times {\mathrm{167071}}^1$

素因数の和:167089

約数の個数: 30

約数和(自身を含む): 160556192

約数和(自身を除く): 93727792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 167071, 334142, 668284, 835355, 1336568, 1670710, 2673136, 3341420, 4176775, 6682840, 8353550, 13365680, 16707100, 33414200, 66828400]

約数ペア:

[(1, 66828400), (2, 33414200), (4, 16707100), (5, 13365680), (8, 8353550), (10, 6682840), (16, 4176775), (20, 3341420), (25, 2673136), (40, 1670710), (50, 1336568), (80, 835355), (100, 668284), (200, 334142), (400, 167071)]