489026840

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{24019}}^1$

素因数の和:24539

約数の個数: 32

約数和(自身を含む): 1102518000

約数和(自身を除く): 613491160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 1018, 2036, 2545, 4072, 5090, 10180, 20360, 24019, 48038, 96076, 120095, 192152, 240190, 480380, 960760, 12225671, 24451342, 48902684, 61128355, 97805368, 122256710, 244513420, 489026840]

約数ペア:

[(1, 489026840), (2, 244513420), (4, 122256710), (5, 97805368), (8, 61128355), (10, 48902684), (20, 24451342), (40, 12225671), (509, 960760), (1018, 480380), (2036, 240190), (2545, 192152), (4072, 120095), (5090, 96076), (10180, 48038), (20360, 24019)]