8045325140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{639533}}^1$

素因数の和:639596

約数の個数: 48

約数和(自身を含む): 18372532752

約数和(自身を除く): 10327207612

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 340, 370, 629, 740, 1258, 2516, 3145, 6290, 12580, 639533, 1279066, 2558132, 3197665, 6395330, 10872061, 12790660, 21744122, 23662721, 43488244, 47325442, 54360305, 94650884, 108720610, 118313605, 217441220, 236627210, 402266257, 473254420, 804532514, 1609065028, 2011331285, 4022662570, 8045325140]

約数ペア:

[(1, 8045325140), (2, 4022662570), (4, 2011331285), (5, 1609065028), (10, 804532514), (17, 473254420), (20, 402266257), (34, 236627210), (37, 217441220), (68, 118313605), (74, 108720610), (85, 94650884), (148, 54360305), (170, 47325442), (185, 43488244), (340, 23662721), (370, 21744122), (629, 12790660), (740, 10872061), (1258, 6395330), (2516, 3197665), (3145, 2558132), (6290, 1279066), (12580, 639533)]