40906690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1447}}^1$

素因数の和:1722

約数の個数: 32

約数和(自身を含む): 80694144

約数和(自身を除く): 39787454

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 257, 514, 1285, 1447, 2570, 2827, 2894, 5654, 7235, 14135, 14470, 15917, 28270, 31834, 79585, 159170, 371879, 743758, 1859395, 3718790, 4090669, 8181338, 20453345, 40906690]

約数ペア:

[(1, 40906690), (2, 20453345), (5, 8181338), (10, 4090669), (11, 3718790), (22, 1859395), (55, 743758), (110, 371879), (257, 159170), (514, 79585), (1285, 31834), (1447, 28270), (2570, 15917), (2827, 14470), (2894, 14135), (5654, 7235)]