40270490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4363}}^1$

素因数の和:4454

約数の個数: 32

約数和(自身を含む): 79180416

約数和(自身を除く): 38909926

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4363, 4615, 8726, 9230, 21815, 43630, 56719, 113438, 283595, 309773, 567190, 619546, 1548865, 3097730, 4027049, 8054098, 20135245, 40270490]

約数ペア:

[(1, 40270490), (2, 20135245), (5, 8054098), (10, 4027049), (13, 3097730), (26, 1548865), (65, 619546), (71, 567190), (130, 309773), (142, 283595), (355, 113438), (710, 56719), (923, 43630), (1846, 21815), (4363, 9230), (4615, 8726)]