39408755

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 51840000

約数和(自身を除く): 12431245

約数列:

[1, 5, 19, 59, 79, 89, 95, 295, 395, 445, 1121, 1501, 1691, 4661, 5251, 5605, 7031, 7505, 8455, 23305, 26255, 35155, 88559, 99769, 133589, 414829, 442795, 498845, 667945, 2074145, 7881751, 39408755]

約数ペア:

[(1, 39408755), (5, 7881751), (19, 2074145), (59, 667945), (79, 498845), (89, 442795), (95, 414829), (295, 133589), (395, 99769), (445, 88559), (1121, 35155), (1501, 26255), (1691, 23305), (4661, 8455), (5251, 7505), (5605, 7031)]