260059480

素因数分解:

$2^3\times 5^1\times {\mathrm{6501487}}^1$

素因数の和:6501498

約数の個数: 16

約数和(自身を含む): 585133920

約数和(自身を除く): 325074440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6501487, 13002974, 26005948, 32507435, 52011896, 65014870, 130029740, 260059480]

約数ペア:

[(1, 260059480), (2, 130029740), (4, 65014870), (5, 52011896), (8, 32507435), (10, 26005948), (20, 13002974), (40, 6501487)]