28604540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{84131}}^1$

素因数の和:84157

約数の個数: 24

約数和(自身を含む): 63603792

約数和(自身を除く): 34999252

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 84131, 168262, 336524, 420655, 841310, 1430227, 1682620, 2860454, 5720908, 7151135, 14302270, 28604540]

約数ペア:

[(1, 28604540), (2, 14302270), (4, 7151135), (5, 5720908), (10, 2860454), (17, 1682620), (20, 1430227), (34, 841310), (68, 420655), (85, 336524), (170, 168262), (340, 84131)]