61466840

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{3019}}^1$

素因数の和:3539

約数の個数: 32

約数和(自身を含む): 138618000

約数和(自身を除く): 77151160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 1018, 2036, 2545, 3019, 4072, 5090, 6038, 10180, 12076, 15095, 20360, 24152, 30190, 60380, 120760, 1536671, 3073342, 6146684, 7683355, 12293368, 15366710, 30733420, 61466840]

約数ペア:

[(1, 61466840), (2, 30733420), (4, 15366710), (5, 12293368), (8, 7683355), (10, 6146684), (20, 3073342), (40, 1536671), (509, 120760), (1018, 60380), (2036, 30190), (2545, 24152), (3019, 20360), (4072, 15095), (5090, 12076), (6038, 10180)]