12680680

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5197}}^1$

素因数の和:5269

約数の個数: 32

約数和(自身を含む): 29004840

約数和(自身を除く): 16324160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 5197, 10394, 20788, 25985, 41576, 51970, 103940, 207880, 317017, 634034, 1268068, 1585085, 2536136, 3170170, 6340340, 12680680]

約数ペア:

[(1, 12680680), (2, 6340340), (4, 3170170), (5, 2536136), (8, 1585085), (10, 1268068), (20, 634034), (40, 317017), (61, 207880), (122, 103940), (244, 51970), (305, 41576), (488, 25985), (610, 20788), (1220, 10394), (2440, 5197)]