3145160

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1289}}^1$

素因数の和:1361

約数の個数: 32

約数和(自身を含む): 7198200

約数和(自身を除く): 4053040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 1289, 2440, 2578, 5156, 6445, 10312, 12890, 25780, 51560, 78629, 157258, 314516, 393145, 629032, 786290, 1572580, 3145160]

約数ペア:

[(1, 3145160), (2, 1572580), (4, 786290), (5, 629032), (8, 393145), (10, 314516), (20, 157258), (40, 78629), (61, 51560), (122, 25780), (244, 12890), (305, 10312), (488, 6445), (610, 5156), (1220, 2578), (1289, 2440)]