82468220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{617}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 178784928

約数和(自身を除く): 96316708

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 163, 164, 205, 326, 410, 617, 652, 815, 820, 1234, 1630, 2468, 3085, 3260, 6170, 6683, 12340, 13366, 25297, 26732, 33415, 50594, 66830, 100571, 101188, 126485, 133660, 201142, 252970, 402284, 502855, 505940, 1005710, 2011420, 4123411, 8246822, 16493644, 20617055, 41234110, 82468220]

約数ペア:

[(1, 82468220), (2, 41234110), (4, 20617055), (5, 16493644), (10, 8246822), (20, 4123411), (41, 2011420), (82, 1005710), (163, 505940), (164, 502855), (205, 402284), (326, 252970), (410, 201142), (617, 133660), (652, 126485), (815, 101188), (820, 100571), (1234, 66830), (1630, 50594), (2468, 33415), (3085, 26732), (3260, 25297), (6170, 13366), (6683, 12340)]