40990376

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 91783680

約数和(自身を除く): 50793304

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 73, 74, 146, 148, 259, 271, 292, 296, 511, 518, 542, 584, 1022, 1036, 1084, 1897, 2044, 2072, 2168, 2701, 3794, 4088, 5402, 7588, 10027, 10804, 15176, 18907, 19783, 20054, 21608, 37814, 39566, 40108, 70189, 75628, 79132, 80216, 138481, 140378, 151256, 158264, 276962, 280756, 553924, 561512, 731971, 1107848, 1463942, 2927884, 5123797, 5855768, 10247594, 20495188, 40990376]

約数ペア:

[(1, 40990376), (2, 20495188), (4, 10247594), (7, 5855768), (8, 5123797), (14, 2927884), (28, 1463942), (37, 1107848), (56, 731971), (73, 561512), (74, 553924), (146, 280756), (148, 276962), (259, 158264), (271, 151256), (292, 140378), (296, 138481), (511, 80216), (518, 79132), (542, 75628), (584, 70189), (1022, 40108), (1036, 39566), (1084, 37814), (1897, 21608), (2044, 20054), (2072, 19783), (2168, 18907), (2701, 15176), (3794, 10804), (4088, 10027), (5402, 7588)]