28421560

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{30893}}^1$

素因数の和:30927

約数の個数: 32

約数和(自身を含む): 66731040

約数和(自身を除く): 38309480

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 30893, 61786, 123572, 154465, 247144, 308930, 617860, 710539, 1235720, 1421078, 2842156, 3552695, 5684312, 7105390, 14210780, 28421560]

約数ペア:

[(1, 28421560), (2, 14210780), (4, 7105390), (5, 5684312), (8, 3552695), (10, 2842156), (20, 1421078), (23, 1235720), (40, 710539), (46, 617860), (92, 308930), (115, 247144), (184, 154465), (230, 123572), (460, 61786), (920, 30893)]