86644280

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 199614240

約数和(自身を除く): 112969960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 137, 163, 194, 274, 326, 388, 485, 548, 652, 685, 776, 815, 970, 1096, 1304, 1370, 1630, 1940, 2740, 3260, 3880, 5480, 6520, 13289, 15811, 22331, 26578, 31622, 44662, 53156, 63244, 66445, 79055, 89324, 106312, 111655, 126488, 132890, 158110, 178648, 223310, 265780, 316220, 446620, 531560, 632440, 893240, 2166107, 4332214, 8664428, 10830535, 17328856, 21661070, 43322140, 86644280]

約数ペア:

[(1, 86644280), (2, 43322140), (4, 21661070), (5, 17328856), (8, 10830535), (10, 8664428), (20, 4332214), (40, 2166107), (97, 893240), (137, 632440), (163, 531560), (194, 446620), (274, 316220), (326, 265780), (388, 223310), (485, 178648), (548, 158110), (652, 132890), (685, 126488), (776, 111655), (815, 106312), (970, 89324), (1096, 79055), (1304, 66445), (1370, 63244), (1630, 53156), (1940, 44662), (2740, 31622), (3260, 26578), (3880, 22331), (5480, 15811), (6520, 13289)]