80850560

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{18047}}^1$

素因数の和:18073

約数の個数: 64

約数和(自身を含む): 220907520

約数和(自身を除く): 140056960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 18047, 36094, 72188, 90235, 126329, 144376, 180470, 252658, 288752, 360940, 505316, 577504, 631645, 721880, 1010632, 1155008, 1263290, 1443760, 2021264, 2310016, 2526580, 2887520, 4042528, 5053160, 5775040, 8085056, 10106320, 11550080, 16170112, 20212640, 40425280, 80850560]

約数ペア:

[(1, 80850560), (2, 40425280), (4, 20212640), (5, 16170112), (7, 11550080), (8, 10106320), (10, 8085056), (14, 5775040), (16, 5053160), (20, 4042528), (28, 2887520), (32, 2526580), (35, 2310016), (40, 2021264), (56, 1443760), (64, 1263290), (70, 1155008), (80, 1010632), (112, 721880), (128, 631645), (140, 577504), (160, 505316), (224, 360940), (280, 288752), (320, 252658), (448, 180470), (560, 144376), (640, 126329), (896, 90235), (1120, 72188), (2240, 36094), (4480, 18047)]