26636780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{659}}^1$

素因数の和:758

約数の個数: 48

約数和(自身を含む): 58544640

約数和(自身を除く): 31907860

約数列:

[1, 2, 4, 5, 10, 20, 43, 47, 86, 94, 172, 188, 215, 235, 430, 470, 659, 860, 940, 1318, 2021, 2636, 3295, 4042, 6590, 8084, 10105, 13180, 20210, 28337, 30973, 40420, 56674, 61946, 113348, 123892, 141685, 154865, 283370, 309730, 566740, 619460, 1331839, 2663678, 5327356, 6659195, 13318390, 26636780]

約数ペア:

[(1, 26636780), (2, 13318390), (4, 6659195), (5, 5327356), (10, 2663678), (20, 1331839), (43, 619460), (47, 566740), (86, 309730), (94, 283370), (172, 154865), (188, 141685), (215, 123892), (235, 113348), (430, 61946), (470, 56674), (659, 40420), (860, 30973), (940, 28337), (1318, 20210), (2021, 13180), (2636, 10105), (3295, 8084), (4042, 6590)]