25790312

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1289}}^1$

素因数の和:1397

約数の個数: 32

約数和(自身を含む): 50387400

約数和(自身を除く): 24597088

約数列:

[1, 2, 4, 8, 41, 61, 82, 122, 164, 244, 328, 488, 1289, 2501, 2578, 5002, 5156, 10004, 10312, 20008, 52849, 78629, 105698, 157258, 211396, 314516, 422792, 629032, 3223789, 6447578, 12895156, 25790312]

約数ペア:

[(1, 25790312), (2, 12895156), (4, 6447578), (8, 3223789), (41, 629032), (61, 422792), (82, 314516), (122, 211396), (164, 157258), (244, 105698), (328, 78629), (488, 52849), (1289, 20008), (2501, 10312), (2578, 10004), (5002, 5156)]