1320529825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{12379}}^1$

素因数の和:12657

約数の個数: 24

約数和(自身を含む): 1740826080

約数和(自身を除く): 420296255

約数列:

[1, 5, 17, 25, 85, 251, 425, 1255, 4267, 6275, 12379, 21335, 61895, 106675, 210443, 309475, 1052215, 3107129, 5261075, 15535645, 52821193, 77678225, 264105965, 1320529825]

約数ペア:

[(1, 1320529825), (5, 264105965), (17, 77678225), (25, 52821193), (85, 15535645), (251, 5261075), (425, 3107129), (1255, 1052215), (4267, 309475), (6275, 210443), (12379, 106675), (21335, 61895)]