40688564

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 88444608

約数和(自身を除く): 47756044

約数列:

[1, 2, 4, 7, 14, 23, 28, 41, 46, 67, 82, 92, 134, 161, 164, 268, 287, 322, 469, 529, 574, 644, 938, 943, 1058, 1148, 1541, 1876, 1886, 2116, 2747, 3082, 3703, 3772, 5494, 6164, 6601, 7406, 10787, 10988, 13202, 14812, 19229, 21574, 21689, 26404, 35443, 38458, 43148, 43378, 63181, 70886, 76916, 86756, 126362, 141772, 151823, 248101, 252724, 303646, 442267, 496202, 607292, 884534, 992404, 1453163, 1769068, 2906326, 5812652, 10172141, 20344282, 40688564]

約数ペア:

[(1, 40688564), (2, 20344282), (4, 10172141), (7, 5812652), (14, 2906326), (23, 1769068), (28, 1453163), (41, 992404), (46, 884534), (67, 607292), (82, 496202), (92, 442267), (134, 303646), (161, 252724), (164, 248101), (268, 151823), (287, 141772), (322, 126362), (469, 86756), (529, 76916), (574, 70886), (644, 63181), (938, 43378), (943, 43148), (1058, 38458), (1148, 35443), (1541, 26404), (1876, 21689), (1886, 21574), (2116, 19229), (2747, 14812), (3082, 13202), (3703, 10988), (3772, 10787), (5494, 7406), (6164, 6601)]