129639080

素因数分解:

$2^3\times 5^1\times {\mathrm{367}}^1\times {\mathrm{8831}}^1$

素因数の和:9209

約数の個数: 32

約数和(自身を含む): 292515840

約数和(自身を除く): 162876760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 367, 734, 1468, 1835, 2936, 3670, 7340, 8831, 14680, 17662, 35324, 44155, 70648, 88310, 176620, 353240, 3240977, 6481954, 12963908, 16204885, 25927816, 32409770, 64819540, 129639080]

約数ペア:

[(1, 129639080), (2, 64819540), (4, 32409770), (5, 25927816), (8, 16204885), (10, 12963908), (20, 6481954), (40, 3240977), (367, 353240), (734, 176620), (1468, 88310), (1835, 70648), (2936, 44155), (3670, 35324), (7340, 17662), (8831, 14680)]