40843270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1489}}^1$

素因数の和:1720

約数の個数: 32

約数和(自身を含む): 79601760

約数和(自身を除く): 38758490

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 211, 422, 1055, 1489, 2110, 2743, 2978, 5486, 7445, 13715, 14890, 19357, 27430, 38714, 96785, 193570, 314179, 628358, 1570895, 3141790, 4084327, 8168654, 20421635, 40843270]

約数ペア:

[(1, 40843270), (2, 20421635), (5, 8168654), (10, 4084327), (13, 3141790), (26, 1570895), (65, 628358), (130, 314179), (211, 193570), (422, 96785), (1055, 38714), (1489, 27430), (2110, 19357), (2743, 14890), (2978, 13715), (5486, 7445)]