40691690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{3517}}^1$

素因数の和:3626

約数の個数: 32

約数和(自身を含む): 79788240

約数和(自身を除く): 39096550

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 2314, 3517, 5785, 7034, 11570, 17585, 35170, 45721, 91442, 228605, 313013, 457210, 626026, 1565065, 3130130, 4069169, 8138338, 20345845, 40691690]

約数ペア:

[(1, 40691690), (2, 20345845), (5, 8138338), (10, 4069169), (13, 3130130), (26, 1565065), (65, 626026), (89, 457210), (130, 313013), (178, 228605), (445, 91442), (890, 45721), (1157, 35170), (2314, 17585), (3517, 11570), (5785, 7034)]