26854640

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5503}}^1$

素因数の和:5577

約数の個数: 40

約数和(自身を含む): 63472128

約数和(自身を除く): 36617488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 5503, 11006, 22012, 27515, 44024, 55030, 88048, 110060, 220120, 335683, 440240, 671366, 1342732, 1678415, 2685464, 3356830, 5370928, 6713660, 13427320, 26854640]

約数ペア:

[(1, 26854640), (2, 13427320), (4, 6713660), (5, 5370928), (8, 3356830), (10, 2685464), (16, 1678415), (20, 1342732), (40, 671366), (61, 440240), (80, 335683), (122, 220120), (244, 110060), (305, 88048), (488, 55030), (610, 44024), (976, 27515), (1220, 22012), (2440, 11006), (4880, 5503)]