38820470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4457}}^1$

素因数の和:4544

約数の個数: 32

約数和(自身を含む): 76392288

約数和(自身を除く): 37571818

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 335, 670, 871, 1742, 4355, 4457, 8710, 8914, 22285, 44570, 57941, 115882, 289705, 298619, 579410, 597238, 1493095, 2986190, 3882047, 7764094, 19410235, 38820470]

約数ペア:

[(1, 38820470), (2, 19410235), (5, 7764094), (10, 3882047), (13, 2986190), (26, 1493095), (65, 597238), (67, 579410), (130, 298619), (134, 289705), (335, 115882), (670, 57941), (871, 44570), (1742, 22285), (4355, 8914), (4457, 8710)]