6689560

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4079}}^1$

素因数の和:4131

約数の個数: 32

約数和(自身を含む): 15422400

約数和(自身を除く): 8732840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 4079, 8158, 16316, 20395, 32632, 40790, 81580, 163160, 167239, 334478, 668956, 836195, 1337912, 1672390, 3344780, 6689560]

約数ペア:

[(1, 6689560), (2, 3344780), (4, 1672390), (5, 1337912), (8, 836195), (10, 668956), (20, 334478), (40, 167239), (41, 163160), (82, 81580), (164, 40790), (205, 32632), (328, 20395), (410, 16316), (820, 8158), (1640, 4079)]