39938210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4327}}^1$

素因数の和:4418

約数の個数: 32

約数和(自身を含む): 78527232

約数和(自身を除く): 38589022

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4327, 4615, 8654, 9230, 21635, 43270, 56251, 112502, 281255, 307217, 562510, 614434, 1536085, 3072170, 3993821, 7987642, 19969105, 39938210]

約数ペア:

[(1, 39938210), (2, 19969105), (5, 7987642), (10, 3993821), (13, 3072170), (26, 1536085), (65, 614434), (71, 562510), (130, 307217), (142, 281255), (355, 112502), (710, 56251), (923, 43270), (1846, 21635), (4327, 9230), (4615, 8654)]