85685240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1607}}^1$

素因数の和:1692

約数の個数: 64

約数和(自身を含む): 203765760

約数和(自身を除く): 118080520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 620, 860, 1240, 1333, 1607, 1720, 2666, 3214, 5332, 6428, 6665, 8035, 10664, 12856, 13330, 16070, 26660, 32140, 49817, 53320, 64280, 69101, 99634, 138202, 199268, 249085, 276404, 345505, 398536, 498170, 552808, 691010, 996340, 1382020, 1992680, 2142131, 2764040, 4284262, 8568524, 10710655, 17137048, 21421310, 42842620, 85685240]

約数ペア:

[(1, 85685240), (2, 42842620), (4, 21421310), (5, 17137048), (8, 10710655), (10, 8568524), (20, 4284262), (31, 2764040), (40, 2142131), (43, 1992680), (62, 1382020), (86, 996340), (124, 691010), (155, 552808), (172, 498170), (215, 398536), (248, 345505), (310, 276404), (344, 249085), (430, 199268), (620, 138202), (860, 99634), (1240, 69101), (1333, 64280), (1607, 53320), (1720, 49817), (2666, 32140), (3214, 26660), (5332, 16070), (6428, 13330), (6665, 12856), (8035, 10664)]