80575504

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{1109}}^1$

素因数の和:1375

約数の個数: 40

約数和(自身を含む): 165168000

約数和(自身を除く): 84592496

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 239, 304, 478, 956, 1109, 1912, 2218, 3824, 4436, 4541, 8872, 9082, 17744, 18164, 21071, 36328, 42142, 72656, 84284, 168568, 265051, 337136, 530102, 1060204, 2120408, 4240816, 5035969, 10071938, 20143876, 40287752, 80575504]

約数ペア:

[(1, 80575504), (2, 40287752), (4, 20143876), (8, 10071938), (16, 5035969), (19, 4240816), (38, 2120408), (76, 1060204), (152, 530102), (239, 337136), (304, 265051), (478, 168568), (956, 84284), (1109, 72656), (1912, 42142), (2218, 36328), (3824, 21071), (4436, 18164), (4541, 17744), (8872, 9082)]