80627120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{143977}}^1$

素因数の和:143997

約数の個数: 40

約数和(自身を含む): 214239264

約数和(自身を除く): 133612144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 143977, 287954, 575908, 719885, 1007839, 1151816, 1439770, 2015678, 2303632, 2879540, 4031356, 5039195, 5759080, 8062712, 10078390, 11518160, 16125424, 20156780, 40313560, 80627120]

約数ペア:

[(1, 80627120), (2, 40313560), (4, 20156780), (5, 16125424), (7, 11518160), (8, 10078390), (10, 8062712), (14, 5759080), (16, 5039195), (20, 4031356), (28, 2879540), (35, 2303632), (40, 2015678), (56, 1439770), (70, 1151816), (80, 1007839), (112, 719885), (140, 575908), (280, 287954), (560, 143977)]