65804440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{126547}}^1$

素因数の和:126571

約数の個数: 32

約数和(自身を含む): 159450480

約数和(自身を除く): 93646040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 126547, 253094, 506188, 632735, 1012376, 1265470, 1645111, 2530940, 3290222, 5061880, 6580444, 8225555, 13160888, 16451110, 32902220, 65804440]

約数ペア:

[(1, 65804440), (2, 32902220), (4, 16451110), (5, 13160888), (8, 8225555), (10, 6580444), (13, 5061880), (20, 3290222), (26, 2530940), (40, 1645111), (52, 1265470), (65, 1012376), (104, 632735), (130, 506188), (260, 253094), (520, 126547)]