16465996880

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{116747}}^1$

素因数の和:116844

約数の個数: 80

約数和(自身を含む): 40129556544

約数和(自身を除く): 23663559664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 43, 80, 82, 86, 164, 172, 205, 215, 328, 344, 410, 430, 656, 688, 820, 860, 1640, 1720, 1763, 3280, 3440, 3526, 7052, 8815, 14104, 17630, 28208, 35260, 70520, 116747, 141040, 233494, 466988, 583735, 933976, 1167470, 1867952, 2334940, 4669880, 4786627, 5020121, 9339760, 9573254, 10040242, 19146508, 20080484, 23933135, 25100605, 38293016, 40160968, 47866270, 50201210, 76586032, 80321936, 95732540, 100402420, 191465080, 200804840, 205824961, 382930160, 401609680, 411649922, 823299844, 1029124805, 1646599688, 2058249610, 3293199376, 4116499220, 8232998440, 16465996880]

約数ペア:

[(1, 16465996880), (2, 8232998440), (4, 4116499220), (5, 3293199376), (8, 2058249610), (10, 1646599688), (16, 1029124805), (20, 823299844), (40, 411649922), (41, 401609680), (43, 382930160), (80, 205824961), (82, 200804840), (86, 191465080), (164, 100402420), (172, 95732540), (205, 80321936), (215, 76586032), (328, 50201210), (344, 47866270), (410, 40160968), (430, 38293016), (656, 25100605), (688, 23933135), (820, 20080484), (860, 19146508), (1640, 10040242), (1720, 9573254), (1763, 9339760), (3280, 5020121), (3440, 4786627), (3526, 4669880), (7052, 2334940), (8815, 1867952), (14104, 1167470), (17630, 933976), (28208, 583735), (35260, 466988), (70520, 233494), (116747, 141040)]