26247260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{643}}^1$

素因数の和:822

約数の個数: 48

約数和(自身を含む): 59830176

約数和(自身を除く): 33582916

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 157, 260, 314, 628, 643, 785, 1286, 1570, 2041, 2572, 3140, 3215, 4082, 6430, 8164, 8359, 10205, 12860, 16718, 20410, 33436, 40820, 41795, 83590, 100951, 167180, 201902, 403804, 504755, 1009510, 1312363, 2019020, 2624726, 5249452, 6561815, 13123630, 26247260]

約数ペア:

[(1, 26247260), (2, 13123630), (4, 6561815), (5, 5249452), (10, 2624726), (13, 2019020), (20, 1312363), (26, 1009510), (52, 504755), (65, 403804), (130, 201902), (157, 167180), (260, 100951), (314, 83590), (628, 41795), (643, 40820), (785, 33436), (1286, 20410), (1570, 16718), (2041, 12860), (2572, 10205), (3140, 8359), (3215, 8164), (4082, 6430)]