40646008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 85932000

約数和(自身を除く): 45285992

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 61, 86, 104, 122, 149, 172, 244, 298, 344, 488, 559, 596, 793, 1118, 1192, 1586, 1937, 2236, 2623, 3172, 3874, 4472, 5246, 6344, 6407, 7748, 9089, 10492, 12814, 15496, 18178, 20984, 25628, 34099, 36356, 51256, 68198, 72712, 83291, 118157, 136396, 166582, 236314, 272792, 333164, 390827, 472628, 666328, 781654, 945256, 1563308, 3126616, 5080751, 10161502, 20323004, 40646008]

約数ペア:

[(1, 40646008), (2, 20323004), (4, 10161502), (8, 5080751), (13, 3126616), (26, 1563308), (43, 945256), (52, 781654), (61, 666328), (86, 472628), (104, 390827), (122, 333164), (149, 272792), (172, 236314), (244, 166582), (298, 136396), (344, 118157), (488, 83291), (559, 72712), (596, 68198), (793, 51256), (1118, 36356), (1192, 34099), (1586, 25628), (1937, 20984), (2236, 18178), (2623, 15496), (3172, 12814), (3874, 10492), (4472, 9089), (5246, 7748), (6344, 6407)]