40960424

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 85155840

約数和(自身を除く): 44195416

約数列:

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

約数ペア:

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