6689840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4919}}^1$

素因数の和:4949

約数の個数: 40

約数和(自身を含む): 16472160

約数和(自身を除く): 9782320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 4919, 9838, 19676, 24595, 39352, 49190, 78704, 83623, 98380, 167246, 196760, 334492, 393520, 418115, 668984, 836230, 1337968, 1672460, 3344920, 6689840]

約数ペア:

[(1, 6689840), (2, 3344920), (4, 1672460), (5, 1337968), (8, 836230), (10, 668984), (16, 418115), (17, 393520), (20, 334492), (34, 196760), (40, 167246), (68, 98380), (80, 83623), (85, 78704), (136, 49190), (170, 39352), (272, 24595), (340, 19676), (680, 9838), (1360, 4919)]