12697760

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1301}}^1$

素因数の和:1377

約数の個数: 48

約数和(自身を含む): 30513672

約数和(自身を除く): 17815912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1301, 1952, 2440, 2602, 4880, 5204, 6505, 9760, 10408, 13010, 20816, 26020, 41632, 52040, 79361, 104080, 158722, 208160, 317444, 396805, 634888, 793610, 1269776, 1587220, 2539552, 3174440, 6348880, 12697760]

約数ペア:

[(1, 12697760), (2, 6348880), (4, 3174440), (5, 2539552), (8, 1587220), (10, 1269776), (16, 793610), (20, 634888), (32, 396805), (40, 317444), (61, 208160), (80, 158722), (122, 104080), (160, 79361), (244, 52040), (305, 41632), (488, 26020), (610, 20816), (976, 13010), (1220, 10408), (1301, 9760), (1952, 6505), (2440, 5204), (2602, 4880)]