6436720

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1319}}^1$

素因数の和:1393

約数の個数: 40

約数和(自身を含む): 15222240

約数和(自身を除く): 8785520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 1319, 2440, 2638, 4880, 5276, 6595, 10552, 13190, 21104, 26380, 52760, 80459, 105520, 160918, 321836, 402295, 643672, 804590, 1287344, 1609180, 3218360, 6436720]

約数ペア:

[(1, 6436720), (2, 3218360), (4, 1609180), (5, 1287344), (8, 804590), (10, 643672), (16, 402295), (20, 321836), (40, 160918), (61, 105520), (80, 80459), (122, 52760), (244, 26380), (305, 21104), (488, 13190), (610, 10552), (976, 6595), (1220, 5276), (1319, 4880), (2440, 2638)]