79961840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{142789}}^1$

素因数の和:142809

約数の個数: 40

約数和(自身を含む): 212471520

約数和(自身を除く): 132509680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 142789, 285578, 571156, 713945, 999523, 1142312, 1427890, 1999046, 2284624, 2855780, 3998092, 4997615, 5711560, 7996184, 9995230, 11423120, 15992368, 19990460, 39980920, 79961840]

約数ペア:

[(1, 79961840), (2, 39980920), (4, 19990460), (5, 15992368), (7, 11423120), (8, 9995230), (10, 7996184), (14, 5711560), (16, 4997615), (20, 3998092), (28, 2855780), (35, 2284624), (40, 1999046), (56, 1427890), (70, 1142312), (80, 999523), (112, 713945), (140, 571156), (280, 285578), (560, 142789)]