1721778880

素因数分解:

$2^6\times 5^1\times {\mathrm{5380559}}^1$

素因数の和:5380576

約数の個数: 28

約数和(自身を含む): 4099986720

約数和(自身を除く): 2378207840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 5380559, 10761118, 21522236, 26902795, 43044472, 53805590, 86088944, 107611180, 172177888, 215222360, 344355776, 430444720, 860889440, 1721778880]

約数ペア:

[(1, 1721778880), (2, 860889440), (4, 430444720), (5, 344355776), (8, 215222360), (10, 172177888), (16, 107611180), (20, 86088944), (32, 53805590), (40, 43044472), (64, 26902795), (80, 21522236), (160, 10761118), (320, 5380559)]