61175020

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 132427008

約数和(自身を除く): 71251988

約数列:

[1, 2, 4, 5, 10, 20, 67, 71, 134, 142, 268, 284, 335, 355, 643, 670, 710, 1286, 1340, 1420, 2572, 3215, 4757, 6430, 9514, 12860, 19028, 23785, 43081, 45653, 47570, 86162, 91306, 95140, 172324, 182612, 215405, 228265, 430810, 456530, 861620, 913060, 3058751, 6117502, 12235004, 15293755, 30587510, 61175020]

約数ペア:

[(1, 61175020), (2, 30587510), (4, 15293755), (5, 12235004), (10, 6117502), (20, 3058751), (67, 913060), (71, 861620), (134, 456530), (142, 430810), (268, 228265), (284, 215405), (335, 182612), (355, 172324), (643, 95140), (670, 91306), (710, 86162), (1286, 47570), (1340, 45653), (1420, 43081), (2572, 23785), (3215, 19028), (4757, 12860), (6430, 9514)]