79999760

素因数分解:

$2^4\times 5^1\times {\mathrm{757}}^1\times {\mathrm{1321}}^1$

素因数の和:2091

約数の個数: 40

約数和(自身を含む): 186386136

約数和(自身を除く): 106386376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 757, 1321, 1514, 2642, 3028, 3785, 5284, 6056, 6605, 7570, 10568, 12112, 13210, 15140, 21136, 26420, 30280, 52840, 60560, 105680, 999997, 1999994, 3999988, 4999985, 7999976, 9999970, 15999952, 19999940, 39999880, 79999760]

約数ペア:

[(1, 79999760), (2, 39999880), (4, 19999940), (5, 15999952), (8, 9999970), (10, 7999976), (16, 4999985), (20, 3999988), (40, 1999994), (80, 999997), (757, 105680), (1321, 60560), (1514, 52840), (2642, 30280), (3028, 26420), (3785, 21136), (5284, 15140), (6056, 13210), (6605, 12112), (7570, 10568)]