39881456

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7717}}^1$

素因数の和:7761

約数の個数: 40

約数和(自身を含む): 86132880

約数和(自身を除く): 46251424

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 5168, 7717, 15434, 30868, 61736, 123472, 131189, 146623, 262378, 293246, 524756, 586492, 1049512, 1172984, 2099024, 2345968, 2492591, 4985182, 9970364, 19940728, 39881456]

約数ペア:

[(1, 39881456), (2, 19940728), (4, 9970364), (8, 4985182), (16, 2492591), (17, 2345968), (19, 2099024), (34, 1172984), (38, 1049512), (68, 586492), (76, 524756), (136, 293246), (152, 262378), (272, 146623), (304, 131189), (323, 123472), (646, 61736), (1292, 30868), (2584, 15434), (5168, 7717)]