2520008

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{281}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 5076000

約数和(自身を除く): 2555992

約数列:

[1, 2, 4, 8, 19, 38, 59, 76, 118, 152, 236, 281, 472, 562, 1121, 1124, 2242, 2248, 4484, 5339, 8968, 10678, 16579, 21356, 33158, 42712, 66316, 132632, 315001, 630002, 1260004, 2520008]

約数ペア:

[(1, 2520008), (2, 1260004), (4, 630002), (8, 315001), (19, 132632), (38, 66316), (59, 42712), (76, 33158), (118, 21356), (152, 16579), (236, 10678), (281, 8968), (472, 5339), (562, 4484), (1121, 2248), (1124, 2242)]