31283080

素因数分解:

$2^3\times 5^1\times {\mathrm{367}}^1\times {\mathrm{2131}}^1$

素因数の和:2509

約数の個数: 32

約数和(自身を含む): 70611840

約数和(自身を除く): 39328760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 367, 734, 1468, 1835, 2131, 2936, 3670, 4262, 7340, 8524, 10655, 14680, 17048, 21310, 42620, 85240, 782077, 1564154, 3128308, 3910385, 6256616, 7820770, 15641540, 31283080]

約数ペア:

[(1, 31283080), (2, 15641540), (4, 7820770), (5, 6256616), (8, 3910385), (10, 3128308), (20, 1564154), (40, 782077), (367, 85240), (734, 42620), (1468, 21310), (1835, 17048), (2131, 14680), (2936, 10655), (3670, 8524), (4262, 7340)]