40391890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{52457}}^1$

素因数の和:52482

約数の個数: 32

約数和(自身を含む): 90647424

約数和(自身を除く): 50255534

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 52457, 104914, 262285, 367199, 524570, 577027, 734398, 1154054, 1835995, 2885135, 3671990, 4039189, 5770270, 8078378, 20195945, 40391890]

約数ペア:

[(1, 40391890), (2, 20195945), (5, 8078378), (7, 5770270), (10, 4039189), (11, 3671990), (14, 2885135), (22, 1835995), (35, 1154054), (55, 734398), (70, 577027), (77, 524570), (110, 367199), (154, 262285), (385, 104914), (770, 52457)]