66200020

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:592

約数の個数: 48

約数和(自身を含む): 142571520

約数和(自身を除く): 76371500

約数列:

[1, 2, 4, 5, 10, 20, 67, 127, 134, 254, 268, 335, 389, 508, 635, 670, 778, 1270, 1340, 1556, 1945, 2540, 3890, 7780, 8509, 17018, 26063, 34036, 42545, 49403, 52126, 85090, 98806, 104252, 130315, 170180, 197612, 247015, 260630, 494030, 521260, 988060, 3310001, 6620002, 13240004, 16550005, 33100010, 66200020]

約数ペア:

[(1, 66200020), (2, 33100010), (4, 16550005), (5, 13240004), (10, 6620002), (20, 3310001), (67, 988060), (127, 521260), (134, 494030), (254, 260630), (268, 247015), (335, 197612), (389, 170180), (508, 130315), (635, 104252), (670, 98806), (778, 85090), (1270, 52126), (1340, 49403), (1556, 42545), (1945, 34036), (2540, 26063), (3890, 17018), (7780, 8509)]