8081540

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 17798592

約数和(自身を除く): 9717052

約数列:

[1, 2, 4, 5, 10, 20, 37, 67, 74, 134, 148, 163, 185, 268, 326, 335, 370, 652, 670, 740, 815, 1340, 1630, 2479, 3260, 4958, 6031, 9916, 10921, 12062, 12395, 21842, 24124, 24790, 30155, 43684, 49580, 54605, 60310, 109210, 120620, 218420, 404077, 808154, 1616308, 2020385, 4040770, 8081540]

約数ペア:

[(1, 8081540), (2, 4040770), (4, 2020385), (5, 1616308), (10, 808154), (20, 404077), (37, 218420), (67, 120620), (74, 109210), (134, 60310), (148, 54605), (163, 49580), (185, 43684), (268, 30155), (326, 24790), (335, 24124), (370, 21842), (652, 12395), (670, 12062), (740, 10921), (815, 9916), (1340, 6031), (1630, 4958), (2479, 3260)]