4428400

素因数分解:

$2^4\times 5^2\times {\mathrm{11071}}^1$

素因数の和:11089

約数の個数: 30

約数和(自身を含む): 10640192

約数和(自身を除く): 6211792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 11071, 22142, 44284, 55355, 88568, 110710, 177136, 221420, 276775, 442840, 553550, 885680, 1107100, 2214200, 4428400]

約数ペア:

[(1, 4428400), (2, 2214200), (4, 1107100), (5, 885680), (8, 553550), (10, 442840), (16, 276775), (20, 221420), (25, 177136), (40, 110710), (50, 88568), (80, 55355), (100, 44284), (200, 22142), (400, 11071)]