6490250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1997}}^1$

素因数の和:2027

約数の個数: 32

約数和(自身を含む): 13090896

約数和(自身を除く): 6600646

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 1997, 3250, 3994, 9985, 19970, 25961, 49925, 51922, 99850, 129805, 249625, 259610, 499250, 649025, 1298050, 3245125, 6490250]

約数ペア:

[(1, 6490250), (2, 3245125), (5, 1298050), (10, 649025), (13, 499250), (25, 259610), (26, 249625), (50, 129805), (65, 99850), (125, 51922), (130, 49925), (250, 25961), (325, 19970), (650, 9985), (1625, 3994), (1997, 3250)]