78049880

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{23509}}^1$

素因数の和:23603

約数の個数: 32

約数和(自身を含む): 177735600

約数和(自身を除く): 99685720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 23509, 47018, 94036, 117545, 188072, 235090, 470180, 940360, 1951247, 3902494, 7804988, 9756235, 15609976, 19512470, 39024940, 78049880]

約数ペア:

[(1, 78049880), (2, 39024940), (4, 19512470), (5, 15609976), (8, 9756235), (10, 7804988), (20, 3902494), (40, 1951247), (83, 940360), (166, 470180), (332, 235090), (415, 188072), (664, 117545), (830, 94036), (1660, 47018), (3320, 23509)]