13489520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15329}}^1$

素因数の和:15353

約数の個数: 40

約数和(自身を含む): 34216560

約数和(自身を除く): 20727040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 15329, 30658, 61316, 76645, 122632, 153290, 168619, 245264, 306580, 337238, 613160, 674476, 843095, 1226320, 1348952, 1686190, 2697904, 3372380, 6744760, 13489520]

約数ペア:

[(1, 13489520), (2, 6744760), (4, 3372380), (5, 2697904), (8, 1686190), (10, 1348952), (11, 1226320), (16, 843095), (20, 674476), (22, 613160), (40, 337238), (44, 306580), (55, 245264), (80, 168619), (88, 153290), (110, 122632), (176, 76645), (220, 61316), (440, 30658), (880, 15329)]