28406720

素因数分解:

$2^6\times 5^1\times {\mathrm{88771}}^1$

素因数の和:88788

約数の個数: 28

約数和(自身を含む): 67644264

約数和(自身を除く): 39237544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 88771, 177542, 355084, 443855, 710168, 887710, 1420336, 1775420, 2840672, 3550840, 5681344, 7101680, 14203360, 28406720]

約数ペア:

[(1, 28406720), (2, 14203360), (4, 7101680), (5, 5681344), (8, 3550840), (10, 2840672), (16, 1775420), (20, 1420336), (32, 887710), (40, 710168), (64, 443855), (80, 355084), (160, 177542), (320, 88771)]