264481880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{508619}}^1$

素因数の和:508643

約数の個数: 32

約数和(自身を含む): 640861200

約数和(自身を除く): 376379320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 508619, 1017238, 2034476, 2543095, 4068952, 5086190, 6612047, 10172380, 13224094, 20344760, 26448188, 33060235, 52896376, 66120470, 132240940, 264481880]

約数ペア:

[(1, 264481880), (2, 132240940), (4, 66120470), (5, 52896376), (8, 33060235), (10, 26448188), (13, 20344760), (20, 13224094), (26, 10172380), (40, 6612047), (52, 5086190), (65, 4068952), (104, 2543095), (130, 2034476), (260, 1017238), (520, 508619)]