31105120

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3187}}^1$

素因数の和:3263

約数の個数: 48

約数和(自身を含む): 74713968

約数和(自身を除く): 43608848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 2440, 3187, 4880, 6374, 9760, 12748, 15935, 25496, 31870, 50992, 63740, 101984, 127480, 194407, 254960, 388814, 509920, 777628, 972035, 1555256, 1944070, 3110512, 3888140, 6221024, 7776280, 15552560, 31105120]

約数ペア:

[(1, 31105120), (2, 15552560), (4, 7776280), (5, 6221024), (8, 3888140), (10, 3110512), (16, 1944070), (20, 1555256), (32, 972035), (40, 777628), (61, 509920), (80, 388814), (122, 254960), (160, 194407), (244, 127480), (305, 101984), (488, 63740), (610, 50992), (976, 31870), (1220, 25496), (1952, 15935), (2440, 12748), (3187, 9760), (4880, 6374)]