26194520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1609}}^1$

素因数の和:1668

約数の個数: 64

約数和(自身を含む): 66074400

約数和(自身を除く): 39879880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 1480, 1609, 1628, 2035, 3218, 3256, 4070, 6436, 8045, 8140, 12872, 16090, 16280, 17699, 32180, 35398, 59533, 64360, 70796, 88495, 119066, 141592, 176990, 238132, 297665, 353980, 476264, 595330, 654863, 707960, 1190660, 1309726, 2381320, 2619452, 3274315, 5238904, 6548630, 13097260, 26194520]

約数ペア:

[(1, 26194520), (2, 13097260), (4, 6548630), (5, 5238904), (8, 3274315), (10, 2619452), (11, 2381320), (20, 1309726), (22, 1190660), (37, 707960), (40, 654863), (44, 595330), (55, 476264), (74, 353980), (88, 297665), (110, 238132), (148, 176990), (185, 141592), (220, 119066), (296, 88495), (370, 70796), (407, 64360), (440, 59533), (740, 35398), (814, 32180), (1480, 17699), (1609, 16280), (1628, 16090), (2035, 12872), (3218, 8140), (3256, 8045), (4070, 6436)]