105294520

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:568

約数の個数: 64

約数和(自身を含む): 243453600

約数和(自身を除く): 138159080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 101, 134, 202, 268, 335, 389, 404, 505, 536, 670, 778, 808, 1010, 1340, 1556, 1945, 2020, 2680, 3112, 3890, 4040, 6767, 7780, 13534, 15560, 26063, 27068, 33835, 39289, 52126, 54136, 67670, 78578, 104252, 130315, 135340, 157156, 196445, 208504, 260630, 270680, 314312, 392890, 521260, 785780, 1042520, 1571560, 2632363, 5264726, 10529452, 13161815, 21058904, 26323630, 52647260, 105294520]

約数ペア:

[(1, 105294520), (2, 52647260), (4, 26323630), (5, 21058904), (8, 13161815), (10, 10529452), (20, 5264726), (40, 2632363), (67, 1571560), (101, 1042520), (134, 785780), (202, 521260), (268, 392890), (335, 314312), (389, 270680), (404, 260630), (505, 208504), (536, 196445), (670, 157156), (778, 135340), (808, 130315), (1010, 104252), (1340, 78578), (1556, 67670), (1945, 54136), (2020, 52126), (2680, 39289), (3112, 33835), (3890, 27068), (4040, 26063), (6767, 15560), (7780, 13534)]