72457640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{95339}}^1$

素因数の和:95369

約数の個数: 32

約数和(自身を含む): 171612000

約数和(自身を除く): 99154360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 95339, 190678, 381356, 476695, 762712, 953390, 1811441, 1906780, 3622882, 3813560, 7245764, 9057205, 14491528, 18114410, 36228820, 72457640]

約数ペア:

[(1, 72457640), (2, 36228820), (4, 18114410), (5, 14491528), (8, 9057205), (10, 7245764), (19, 3813560), (20, 3622882), (38, 1906780), (40, 1811441), (76, 953390), (95, 762712), (152, 476695), (190, 381356), (380, 190678), (760, 95339)]