65198320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1723}}^1$

素因数の和:1790

約数の個数: 80

約数和(自身を含む): 169310592

約数和(自身を除く): 104112272

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 215, 220, 344, 430, 440, 473, 688, 860, 880, 946, 1720, 1723, 1892, 2365, 3440, 3446, 3784, 4730, 6892, 7568, 8615, 9460, 13784, 17230, 18920, 18953, 27568, 34460, 37840, 37906, 68920, 74089, 75812, 94765, 137840, 148178, 151624, 189530, 296356, 303248, 370445, 379060, 592712, 740890, 758120, 814979, 1185424, 1481780, 1516240, 1629958, 2963560, 3259916, 4074895, 5927120, 6519832, 8149790, 13039664, 16299580, 32599160, 65198320]

約数ペア:

[(1, 65198320), (2, 32599160), (4, 16299580), (5, 13039664), (8, 8149790), (10, 6519832), (11, 5927120), (16, 4074895), (20, 3259916), (22, 2963560), (40, 1629958), (43, 1516240), (44, 1481780), (55, 1185424), (80, 814979), (86, 758120), (88, 740890), (110, 592712), (172, 379060), (176, 370445), (215, 303248), (220, 296356), (344, 189530), (430, 151624), (440, 148178), (473, 137840), (688, 94765), (860, 75812), (880, 74089), (946, 68920), (1720, 37906), (1723, 37840), (1892, 34460), (2365, 27568), (3440, 18953), (3446, 18920), (3784, 17230), (4730, 13784), (6892, 9460), (7568, 8615)]