80101420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{1559}}^1$

素因数の和:1942

約数の個数: 48

約数和(自身を含む): 192890880

約数和(自身を除く): 112789460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 367, 734, 1468, 1559, 1835, 2569, 3118, 3670, 5138, 6236, 7340, 7795, 10276, 10913, 12845, 15590, 21826, 25690, 31180, 43652, 51380, 54565, 109130, 218260, 572153, 1144306, 2288612, 2860765, 4005071, 5721530, 8010142, 11443060, 16020284, 20025355, 40050710, 80101420]

約数ペア:

[(1, 80101420), (2, 40050710), (4, 20025355), (5, 16020284), (7, 11443060), (10, 8010142), (14, 5721530), (20, 4005071), (28, 2860765), (35, 2288612), (70, 1144306), (140, 572153), (367, 218260), (734, 109130), (1468, 54565), (1559, 51380), (1835, 43652), (2569, 31180), (3118, 25690), (3670, 21826), (5138, 15590), (6236, 12845), (7340, 10913), (7795, 10276)]