2100082660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{12601}}^1$

素因数の和:13264

約数の個数: 48

約数和(自身を含む): 4757204592

約数和(自身を除く): 2657121932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 641, 1282, 2564, 3205, 6410, 8333, 12601, 12820, 16666, 25202, 33332, 41665, 50404, 63005, 83330, 126010, 163813, 166660, 252020, 327626, 655252, 819065, 1638130, 3276260, 8077241, 16154482, 32308964, 40386205, 80772410, 105004133, 161544820, 210008266, 420016532, 525020665, 1050041330, 2100082660]

約数ペア:

[(1, 2100082660), (2, 1050041330), (4, 525020665), (5, 420016532), (10, 210008266), (13, 161544820), (20, 105004133), (26, 80772410), (52, 40386205), (65, 32308964), (130, 16154482), (260, 8077241), (641, 3276260), (1282, 1638130), (2564, 819065), (3205, 655252), (6410, 327626), (8333, 252020), (12601, 166660), (12820, 163813), (16666, 126010), (25202, 83330), (33332, 63005), (41665, 50404)]