255353480

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{61979}}^1$

素因数の和:62093

約数の個数: 32

約数和(自身を含む): 580132800

約数和(自身を除く): 324779320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 61979, 123958, 247916, 309895, 495832, 619790, 1239580, 2479160, 6383837, 12767674, 25535348, 31919185, 51070696, 63838370, 127676740, 255353480]

約数ペア:

[(1, 255353480), (2, 127676740), (4, 63838370), (5, 51070696), (8, 31919185), (10, 25535348), (20, 12767674), (40, 6383837), (103, 2479160), (206, 1239580), (412, 619790), (515, 495832), (824, 309895), (1030, 247916), (2060, 123958), (4120, 61979)]