5155720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2113}}^1$

素因数の和:2185

約数の個数: 32

約数和(自身を含む): 11796120

約数和(自身を除く): 6640400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2113, 2440, 4226, 8452, 10565, 16904, 21130, 42260, 84520, 128893, 257786, 515572, 644465, 1031144, 1288930, 2577860, 5155720]

約数ペア:

[(1, 5155720), (2, 2577860), (4, 1288930), (5, 1031144), (8, 644465), (10, 515572), (20, 257786), (40, 128893), (61, 84520), (122, 42260), (244, 21130), (305, 16904), (488, 10565), (610, 8452), (1220, 4226), (2113, 2440)]