8340160

素因数分解:

$2^6\times 5^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1$

素因数の和:473

約数の個数: 56

約数和(自身を含む): 20208240

約数和(自身を除く): 11868080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 134, 160, 268, 320, 335, 389, 536, 670, 778, 1072, 1340, 1556, 1945, 2144, 2680, 3112, 3890, 4288, 5360, 6224, 7780, 10720, 12448, 15560, 21440, 24896, 26063, 31120, 52126, 62240, 104252, 124480, 130315, 208504, 260630, 417008, 521260, 834016, 1042520, 1668032, 2085040, 4170080, 8340160]

約数ペア:

[(1, 8340160), (2, 4170080), (4, 2085040), (5, 1668032), (8, 1042520), (10, 834016), (16, 521260), (20, 417008), (32, 260630), (40, 208504), (64, 130315), (67, 124480), (80, 104252), (134, 62240), (160, 52126), (268, 31120), (320, 26063), (335, 24896), (389, 21440), (536, 15560), (670, 12448), (778, 10720), (1072, 7780), (1340, 6224), (1556, 5360), (1945, 4288), (2144, 3890), (2680, 3112)]