61781560

素因数分解:

$2^3\times 5^1\times {\mathrm{1063}}^1\times {\mathrm{1453}}^1$

素因数の和:2527

約数の個数: 32

約数和(自身を含む): 139235040

約数和(自身を除く): 77453480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1063, 1453, 2126, 2906, 4252, 5315, 5812, 7265, 8504, 10630, 11624, 14530, 21260, 29060, 42520, 58120, 1544539, 3089078, 6178156, 7722695, 12356312, 15445390, 30890780, 61781560]

約数ペア:

[(1, 61781560), (2, 30890780), (4, 15445390), (5, 12356312), (8, 7722695), (10, 6178156), (20, 3089078), (40, 1544539), (1063, 58120), (1453, 42520), (2126, 29060), (2906, 21260), (4252, 14530), (5315, 11624), (5812, 10630), (7265, 8504)]