15604840

素因数分解:

$2^3\times 5^1\times {\mathrm{367}}^1\times {\mathrm{1063}}^1$

素因数の和:1441

約数の個数: 32

約数和(自身を含む): 35239680

約数和(自身を除く): 19634840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 367, 734, 1063, 1468, 1835, 2126, 2936, 3670, 4252, 5315, 7340, 8504, 10630, 14680, 21260, 42520, 390121, 780242, 1560484, 1950605, 3120968, 3901210, 7802420, 15604840]

約数ペア:

[(1, 15604840), (2, 7802420), (4, 3901210), (5, 3120968), (8, 1950605), (10, 1560484), (20, 780242), (40, 390121), (367, 42520), (734, 21260), (1063, 14680), (1468, 10630), (1835, 8504), (2126, 7340), (2936, 5315), (3670, 4252)]