131608880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{126547}}^1$

素因数の和:126573

約数の個数: 40

約数和(自身を含む): 329530992

約数和(自身を除く): 197922112

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 126547, 253094, 506188, 632735, 1012376, 1265470, 1645111, 2024752, 2530940, 3290222, 5061880, 6580444, 8225555, 10123760, 13160888, 16451110, 26321776, 32902220, 65804440, 131608880]

約数ペア:

[(1, 131608880), (2, 65804440), (4, 32902220), (5, 26321776), (8, 16451110), (10, 13160888), (13, 10123760), (16, 8225555), (20, 6580444), (26, 5061880), (40, 3290222), (52, 2530940), (65, 2024752), (80, 1645111), (104, 1265470), (130, 1012376), (208, 632735), (260, 506188), (520, 253094), (1040, 126547)]