26561840

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5443}}^1$

素因数の和:5517

約数の個数: 40

約数和(自身を含む): 62780208

約数和(自身を除く): 36218368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 5443, 10886, 21772, 27215, 43544, 54430, 87088, 108860, 217720, 332023, 435440, 664046, 1328092, 1660115, 2656184, 3320230, 5312368, 6640460, 13280920, 26561840]

約数ペア:

[(1, 26561840), (2, 13280920), (4, 6640460), (5, 5312368), (8, 3320230), (10, 2656184), (16, 1660115), (20, 1328092), (40, 664046), (61, 435440), (80, 332023), (122, 217720), (244, 108860), (305, 87088), (488, 54430), (610, 43544), (976, 27215), (1220, 21772), (2440, 10886), (4880, 5443)]