80829280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{72169}}^1$

素因数の和:72191

約数の個数: 48

約数和(自身を含む): 218242080

約数和(自身を除く): 137412800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 72169, 144338, 288676, 360845, 505183, 577352, 721690, 1010366, 1154704, 1443380, 2020732, 2309408, 2525915, 2886760, 4041464, 5051830, 5773520, 8082928, 10103660, 11547040, 16165856, 20207320, 40414640, 80829280]

約数ペア:

[(1, 80829280), (2, 40414640), (4, 20207320), (5, 16165856), (7, 11547040), (8, 10103660), (10, 8082928), (14, 5773520), (16, 5051830), (20, 4041464), (28, 2886760), (32, 2525915), (35, 2309408), (40, 2020732), (56, 1443380), (70, 1154704), (80, 1010366), (112, 721690), (140, 577352), (160, 505183), (224, 360845), (280, 288676), (560, 144338), (1120, 72169)]