82725980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:219

約数の個数: 96

約数和(自身を含む): 191600640

約数和(自身を除く): 108874660

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 43, 58, 62, 86, 107, 116, 124, 145, 155, 172, 214, 215, 290, 310, 428, 430, 535, 580, 620, 860, 899, 1070, 1247, 1333, 1798, 2140, 2494, 2666, 3103, 3317, 3596, 4495, 4601, 4988, 5332, 6206, 6235, 6634, 6665, 8990, 9202, 12412, 12470, 13268, 13330, 15515, 16585, 17980, 18404, 23005, 24940, 26660, 31030, 33170, 38657, 46010, 62060, 66340, 77314, 92020, 96193, 133429, 142631, 154628, 192386, 193285, 266858, 285262, 384772, 386570, 480965, 533716, 570524, 667145, 713155, 773140, 961930, 1334290, 1426310, 1923860, 2668580, 2852620, 4136299, 8272598, 16545196, 20681495, 41362990, 82725980]

約数ペア:

[(1, 82725980), (2, 41362990), (4, 20681495), (5, 16545196), (10, 8272598), (20, 4136299), (29, 2852620), (31, 2668580), (43, 1923860), (58, 1426310), (62, 1334290), (86, 961930), (107, 773140), (116, 713155), (124, 667145), (145, 570524), (155, 533716), (172, 480965), (214, 386570), (215, 384772), (290, 285262), (310, 266858), (428, 193285), (430, 192386), (535, 154628), (580, 142631), (620, 133429), (860, 96193), (899, 92020), (1070, 77314), (1247, 66340), (1333, 62060), (1798, 46010), (2140, 38657), (2494, 33170), (2666, 31030), (3103, 26660), (3317, 24940), (3596, 23005), (4495, 18404), (4601, 17980), (4988, 16585), (5332, 15515), (6206, 13330), (6235, 13268), (6634, 12470), (6665, 12412), (8990, 9202)]