81920848

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:272

約数の個数: 80

約数和(自身を含む): 175988736

約数和(自身を除く): 94067888

約数列:

[1, 2, 4, 8, 16, 23, 31, 43, 46, 62, 86, 92, 124, 167, 172, 184, 248, 334, 344, 368, 496, 668, 688, 713, 989, 1333, 1336, 1426, 1978, 2666, 2672, 2852, 3841, 3956, 5177, 5332, 5704, 7181, 7682, 7912, 10354, 10664, 11408, 14362, 15364, 15824, 20708, 21328, 28724, 30659, 30728, 41416, 57448, 61318, 61456, 82832, 114896, 119071, 122636, 165163, 222611, 238142, 245272, 330326, 445222, 476284, 490544, 660652, 890444, 952568, 1321304, 1780888, 1905136, 2642608, 3561776, 5120053, 10240106, 20480212, 40960424, 81920848]

約数ペア:

[(1, 81920848), (2, 40960424), (4, 20480212), (8, 10240106), (16, 5120053), (23, 3561776), (31, 2642608), (43, 1905136), (46, 1780888), (62, 1321304), (86, 952568), (92, 890444), (124, 660652), (167, 490544), (172, 476284), (184, 445222), (248, 330326), (334, 245272), (344, 238142), (368, 222611), (496, 165163), (668, 122636), (688, 119071), (713, 114896), (989, 82832), (1333, 61456), (1336, 61318), (1426, 57448), (1978, 41416), (2666, 30728), (2672, 30659), (2852, 28724), (3841, 21328), (3956, 20708), (5177, 15824), (5332, 15364), (5704, 14362), (7181, 11408), (7682, 10664), (7912, 10354)]