2085040

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1$

素因数の和:469

約数の個数: 40

約数和(自身を含む): 4932720

約数和(自身を除く): 2847680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 389, 536, 670, 778, 1072, 1340, 1556, 1945, 2680, 3112, 3890, 5360, 6224, 7780, 15560, 26063, 31120, 52126, 104252, 130315, 208504, 260630, 417008, 521260, 1042520, 2085040]

約数ペア:

[(1, 2085040), (2, 1042520), (4, 521260), (5, 417008), (8, 260630), (10, 208504), (16, 130315), (20, 104252), (40, 52126), (67, 31120), (80, 26063), (134, 15560), (268, 7780), (335, 6224), (389, 5360), (536, 3890), (670, 3112), (778, 2680), (1072, 1945), (1340, 1556)]