80408912

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{15559}}^1$

素因数の和:15603

約数の個数: 40

約数和(自身を含む): 173649600

約数和(自身を除く): 93240688

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 5168, 15559, 31118, 62236, 124472, 248944, 264503, 295621, 529006, 591242, 1058012, 1182484, 2116024, 2364968, 4232048, 4729936, 5025557, 10051114, 20102228, 40204456, 80408912]

約数ペア:

[(1, 80408912), (2, 40204456), (4, 20102228), (8, 10051114), (16, 5025557), (17, 4729936), (19, 4232048), (34, 2364968), (38, 2116024), (68, 1182484), (76, 1058012), (136, 591242), (152, 529006), (272, 295621), (304, 264503), (323, 248944), (646, 124472), (1292, 62236), (2584, 31118), (5168, 15559)]