4957040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:198

約数の個数: 80

約数和(自身を含む): 12963456

約数和(自身を除く): 8006416

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 131, 172, 176, 215, 220, 262, 344, 430, 440, 473, 524, 655, 688, 860, 880, 946, 1048, 1310, 1441, 1720, 1892, 2096, 2365, 2620, 2882, 3440, 3784, 4730, 5240, 5633, 5764, 7205, 7568, 9460, 10480, 11266, 11528, 14410, 18920, 22532, 23056, 28165, 28820, 37840, 45064, 56330, 57640, 61963, 90128, 112660, 115280, 123926, 225320, 247852, 309815, 450640, 495704, 619630, 991408, 1239260, 2478520, 4957040]

約数ペア:

[(1, 4957040), (2, 2478520), (4, 1239260), (5, 991408), (8, 619630), (10, 495704), (11, 450640), (16, 309815), (20, 247852), (22, 225320), (40, 123926), (43, 115280), (44, 112660), (55, 90128), (80, 61963), (86, 57640), (88, 56330), (110, 45064), (131, 37840), (172, 28820), (176, 28165), (215, 23056), (220, 22532), (262, 18920), (344, 14410), (430, 11528), (440, 11266), (473, 10480), (524, 9460), (655, 7568), (688, 7205), (860, 5764), (880, 5633), (946, 5240), (1048, 4730), (1310, 3784), (1441, 3440), (1720, 2882), (1892, 2620), (2096, 2365)]