66327940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{1237}}^1$

素因数の和:1636

約数の個数: 48

約数和(自身を含む): 159731712

約数和(自身を除く): 93403772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 383, 766, 1237, 1532, 1915, 2474, 2681, 3830, 4948, 5362, 6185, 7660, 8659, 10724, 12370, 13405, 17318, 24740, 26810, 34636, 43295, 53620, 86590, 173180, 473771, 947542, 1895084, 2368855, 3316397, 4737710, 6632794, 9475420, 13265588, 16581985, 33163970, 66327940]

約数ペア:

[(1, 66327940), (2, 33163970), (4, 16581985), (5, 13265588), (7, 9475420), (10, 6632794), (14, 4737710), (20, 3316397), (28, 2368855), (35, 1895084), (70, 947542), (140, 473771), (383, 173180), (766, 86590), (1237, 53620), (1532, 43295), (1915, 34636), (2474, 26810), (2681, 24740), (3830, 17318), (4948, 13405), (5362, 12370), (6185, 10724), (7660, 8659)]