2566880

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:339

約数の個数: 48

約数和(自身を含む): 6187104

約数和(自身を除く): 3620224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 263, 305, 488, 526, 610, 976, 1052, 1220, 1315, 1952, 2104, 2440, 2630, 4208, 4880, 5260, 8416, 9760, 10520, 16043, 21040, 32086, 42080, 64172, 80215, 128344, 160430, 256688, 320860, 513376, 641720, 1283440, 2566880]

約数ペア:

[(1, 2566880), (2, 1283440), (4, 641720), (5, 513376), (8, 320860), (10, 256688), (16, 160430), (20, 128344), (32, 80215), (40, 64172), (61, 42080), (80, 32086), (122, 21040), (160, 16043), (244, 10520), (263, 9760), (305, 8416), (488, 5260), (526, 4880), (610, 4208), (976, 2630), (1052, 2440), (1220, 2104), (1315, 1952)]