255539080

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{48767}}^1$

素因数の和:48909

約数の個数: 32

約数和(自身を含む): 579363840

約数和(自身を除く): 323824760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 48767, 97534, 195068, 243835, 390136, 487670, 975340, 1950680, 6388477, 12776954, 25553908, 31942385, 51107816, 63884770, 127769540, 255539080]

約数ペア:

[(1, 255539080), (2, 127769540), (4, 63884770), (5, 51107816), (8, 31942385), (10, 25553908), (20, 12776954), (40, 6388477), (131, 1950680), (262, 975340), (524, 487670), (655, 390136), (1048, 243835), (1310, 195068), (2620, 97534), (5240, 48767)]